{"product_id":"globe-scientific-stir-bar-retriever-350-mm-long-swn566","title":"Stir Bar Retrievers, PTFE-Coated Magnetic — 250 mm \u0026 350 mm, 1\/Pack | Globe Scientific","description":"\u003ch2\u003ePTFE-Coated Magnetic Stir Bar Retrievers — 250 mm \u0026amp; 350 mm, Sold Each\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGlobe Scientific PTFE Stir Bar Retriever\u003c\/strong\u003e recovers magnetic stir bars from beakers, flasks, and deep vessels without contaminating the contents. Its inert fluoropolymer coating suits buffer preparation, reagent mixing, and reaction setups where metal contact and cross-contamination must be avoided. Two lengths reach shallow benchtop vessels or tall graduated cylinders.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMagnetic stir bar retriever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e250 mm and 350 mm overall length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePTFE-coated magnetic rod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e1 per pack (sold each)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Sizes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariant\u003c\/td\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003ePrice (per pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 mm\u003c\/td\u003e\n\u003ctd\u003eSWN564\u003c\/td\u003e\n\u003ctd\u003e$51.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e350 mm\u003c\/td\u003e\n\u003ctd\u003eSWN566\u003c\/td\u003e\n\u003ctd\u003e$57.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRecovering stir bars from tall beakers and volumetric flasks\u003c\/li\u003e\n\u003cli\u003eRemoving magnetic bars after buffer and reagent preparation\u003c\/li\u003e\n\u003cli\u003eClearing stir bars from narrow-neck Erlenmeyer flasks\u003c\/li\u003e\n\u003cli\u003eExtracting bars from deep graduated cylinders without pouring\u003c\/li\u003e\n\u003cli\u003eSafe retrieval from corrosive or sensitive reaction mixtures\u003c\/li\u003e\n\u003cli\u003eTransferring stir bars between vessels during multi-step protocols\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eSupplied by labsupplies.com as an authorized Globe Scientific dealer, shipping from US inventory. Packaging carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available on request for volume orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the retriever coated with?\u003c\/h3\u003e\n\u003cp\u003eBoth lengths feature a PTFE coating over the magnetic core, providing a chemically inert surface that resists most reagents and prevents direct metal contact with samples.\u003c\/p\u003e\n\u003ch3\u003eWhich length should I choose?\u003c\/h3\u003e\n\u003cp\u003eThe 250 mm SWN564 suits standard benchtop beakers and flasks, while the 350 mm SWN566 reaches stir bars in taller cylinders and deep reaction vessels.\u003c\/p\u003e\n\u003ch3\u003eAre these sold individually or in a set?\u003c\/h3\u003e\n\u003cp\u003eEach SKU is sold as a single retriever (1 per pack). Order both SWN564 and SWN566 if you need coverage across vessel depths.\u003c\/p\u003e\n\u003ch3\u003eCan the retriever be autoclaved?\u003c\/h3\u003e\n\u003cp\u003ePTFE is heat-stable, but the embedded magnet limits high-temperature exposure. Wipe-down decontamination or cold sterilization is recommended; confirm with your lab's validated procedures.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"PTFE Stir Bar Retrievers, 250 mm \u0026 350 mm\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"PTFE-coated magnetic stir bar retrievers in 250 mm and 350 mm lengths for recovering stir bars from beakers, flasks, and deep vessels.\",\n  \"offers\": [\n    {\"@type\": \"Offer\", \"sku\": \"SWN564\", \"price\": \"51.10\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\"},\n    {\"@type\": \"Offer\", \"sku\": \"SWN566\", \"price\": \"57.70\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\"}\n  ]\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"What is the retriever coated with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both lengths feature a PTFE coating over the magnetic core, providing a chemically inert surface that resists most reagents and prevents direct metal contact with samples.\"}},\n    {\"@type\": \"Question\", \"name\": \"Which length should I choose?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 250 mm SWN564 suits standard benchtop beakers and flasks, while the 350 mm SWN566 reaches stir bars in taller cylinders and deep reaction vessels.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these sold individually or in a set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each SKU is sold as a single retriever (1 per pack). Order both SWN564 and SWN566 if you need coverage across vessel depths.\"}},\n    {\"@type\": \"Question\", \"name\": \"Can the retriever be autoclaved?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PTFE is heat-stable, but the embedded magnet limits high-temperature exposure. Wipe-down decontamination or cold sterilization is recommended; confirm with your lab's validated procedures.\"}}\n  ]\n}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"350 mm","offer_id":48607819759848,"sku":"SWN566","price":57.7,"currency_code":"USD","in_stock":true},{"title":"250 mm","offer_id":48607819792616,"sku":"SWN564","price":51.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/swn564_b3a77642-e004-4120-aaec-4b868b3508e3.jpg?v=1780343690","url":"https:\/\/labsupplies.com\/products\/globe-scientific-stir-bar-retriever-350-mm-long-swn566","provider":"LabSupplies.com","version":"1.0","type":"link"}