Ametric S1015 Inch Steel Spur MPB Gear, 14-1/2 Deg 10DP, 15 Teeth, 5/8" Inch +/-1/16" Pilot Bore (B), 1" Face Width (F), 1-7/32 Inch Hub Dia (H), 0.625 Inch Hub Projection (P), 1-5/8 Inch total width, 1.7 Inch OD, (1-125)