As an Amazon Associate, we earn from qualifying purchases. Bt40 end mill holder 3/8? x 2.50? Sowa Tools . 522-256 Attributes Brand name, Manufacturer name, ManufacturerSowa Tools Attribute00Certified balanced to 30,000 rpm Attribute011.00? Attribute023/8? Attribute03BT40 Attribute0463.50 Attribute052.500 Attribute06No Attribute07Yes AttributeKey00balanced AttributeKey01projection diameter AttributeKey02hole diameter AttributeKey03taper AttributeKey04gauge length mm AttributeKey05gauge length inch AttributeKey06dual contact AttributeKey07coolant InStockStringTrue Extra Product NameBt40 end mill holder 3/8? x 2.50? moq, multiple, tierMinQty11 MPN, SKU522-256 qtyInStock-2 qtySourceInStockString tierPrice1148.15 Distributor offers SellerSKUMOQIn stockMultiplePrices tmttoolbox.com522-2561-211 @ $148.15