Knurling Tool CNC Modular Medium Diameter Series CNC Capacity 1 to 5 In. Diamond Shoulderless Pattern End Feed Dual Wheel - Wheel Size - Square Shank Shank Width (In.) 1-1/4 Shank Height (In.) 1-1/4 Shank Length (In.) 5 Shank Dia (In.) - Head Height (In.) 2 Head Width (In.) 1-1/4 Head Length (In.) 1-7/8 Head Dia (In.) - Distance To Shoulder (In.) 0.312 Overall Length (In.) 7-1/4 For Use With R-Type Knurl Wheels Includes (2) Straight 25 TPI Knurl Wheels For Diamond Pattern