Models View all Groove Bore Bar 13 810 4 1-1/8" Insert Drill 14 750 3 Groove - Cut-off Tool 13 593 3 HSK-63A Tool Holder - Blank 44 2836 13 ER20 x 1 inch Extention 12 605 0 BT50-ER25 Tool Holder 26 1384 5