Check the listing for details. 5 BT40 END MILL HOLDERS balanced G6.3/12000rpm & 12pcs BT40 45 degree pull studs. Condition: New. Listed at 178.00 USD. DESCRIPTION: "CNC Tooling" Brands---The Best Quality on The Market---Sold Many Thousands to Distributors! 5 BT40 END MILL HOLDERS balanced G6.3/12000rpm & 12pcs BT40 45 degree coolant thru pull studs. *Please choose 5 sizes BT40 balanced end mill holders from our following listing. BT40 END MILL HOLDERS BALANCED TO G6.3 12000RPM 1/4(hole dia.)x3(gage length)x5-3/16(overall length) 5/16 x 3x 5-3/16 3/8 x 3 x5-3/16 1/2 x 3 x 5-5/16 5/8 x 4 x6-7/16 3/4 x 4 x 6-7/16 1 x 4 x 6-11/16 12pcs BT40 45 degree coolant thru retention knobs matching the above holders are included. SPECIAL DEAL AND LIMITED INVENTORY!!!!! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application