Bosch 1-1/4-in Carbide-Tipped Cutter Lock Mortising Router BitUse with 82816 for 1 4 In. shank, and use with 82818 for 1 2 In. shank Use with hinge template and templet guide for optimal results Additional chip clearance for fast mortising Control cut design helps minimize kickback Balanced cutting with minimal vibration Features Bit Style Cutter lock mortising Number of Flutes 2 Overall Diameter 1 1 4 in Cutting Edge Length 9 16 in Bit Shank Diameter N A Overall Length (Inches) 0 Warranty None Sub Brand N A CA