As an Amazon Associate, we earn from qualifying purchases. Cat50 end mill holder 1? x 4.00? Sowa Tools . 522-178 Attributes Brand name, Manufacturer name, ManufacturerSowa Tools Attribute00Certified balanced to 25,000 rpm Attribute012.36? Attribute021? Attribute03CAT50 Attribute04101.60 Attribute054.000 Attribute06No Attribute073 coolant options: throught the flange, through the spindle, through the body. Comes with O-ring seal for non-direct coolant operations AttributeKey00balanced AttributeKey01projection diameter AttributeKey02hole diameter AttributeKey03taper AttributeKey04gauge length mm AttributeKey05gauge length inch AttributeKey06dual contact AttributeKey07specification InStockStringTrue Extra Product NameCat50 end mill holder 1? x 4.00? moq, multiple, tierMinQty11 MPN, SKU522-178 qtyInStock-2 qtySourceInStockString tierPrice1185.10 Distributor offers SellerSKUMOQIn stockMultiplePrices tmttoolbox.com522-1781-211 @ $185.10