As an Amazon Associate, we earn from qualifying purchases. Home » GS Tooling » ?338-439? ER40 Collet 8.5mm GS Tooling . ?338-439? Attributes Brand name, Manufacturer name, ManufacturerGS Tooling InStockStringTrue Extra Product NameER40 Collet 8.5mm moq, multiple, tierMinQty11 MPN, SKU?338-439? qtyInStock-2 qtySourceInStockString tierPrice151.02 sealedYes maximum pressurePressure resistance tested to 2000psi collet seriesER40 Distributor offers SellerSKUMOQIn stockMultiplePrices tmttoolbox.com?338-439?1-211 @ $51.02