TTC Quick Acting Clamp Type Knurling Tool - MODEL: KT/Q/2-6 KNURLS SIZE: 3/4"x3/8"x1/4" KNURLING CAPACITY: 0 - 2-1/4" Overall Length : 6-1/4-64"
Knurl patterns: straight (2 knurls AA) diamond, male (1 knurl BL, 1 knurl BR). Knurls included: 1 set (1 knurl BL and 1 knurl BR) medium pitch, diamond pattern