Teng 14pc 3 4in Dr. Socket Set 19 50mm TTX Tray Atlas Copco Knurl Size: 3 4” Pitch TPI: Refrigeration Knurl Size: 3 4” Pitch TPI: 14 21 33 Diameter: 3 4” Face Width: 1 4” Hole Diameter: 1 4” Thickness: 3 8” Medium Pitch Knurs 21 TPI GZ12900 GROZ K3 4ML HSS KNURL 3 4IN (D) X 1 4IN (W) X 1 4IN HOLE 390 Pieces Replacement Packs Available Part # Size Pack Qty C380 1 8G Screw 31 32 x 7 16 20 C380 2 10G Screw 13 16 x 1 2 20 C380 3 6G Screw 21 32 x 7 16 20 C380 4 10G Screw 1 2 x 11 16 20 C380 5 1 8 Stud 1 2 x 5 16 50 C380 6 3 32 Stud 7 16 x 1 4 50 C380 7 3 16 UNC 5 8 x 3 8 50 C380 8 3 16 Stud 5 8 x 3 8 50 C380 9 10G Screw 15 32 x 11 16 20 C380 10 8G Screw 21 32 x 7 16 20 C380 11 8G Screw 13 32 x 11 32 20 C380 12 10G Screw 21 32 x 13 32 50 Chrome vanadium steel Set containing 14 sockets with 6 point openings