Categories: Pneumatic Tapping Arm, Tapping Arm Model #Item NameCapacityAdapter SizeList Price R40510A90 RPM Module5/16" - 7/8" (M8-M22) Number 2 QUOTE R40520A 170 RPM MODULE5/16" - 5/8" (M8-M22) Number 2 QUOTE R40530A 300 RPM MODULE0" - 9/16" (M1.6-M14) Number 1QUOTE R40540A550 RPM MODULE0" - 1/2" (M1.6-M12)Number 1QUOTE R40550A750 RPM MODULE0" - 3/8" (M1.6-M10) Number 1 QUOTER40560A1050 RPM MODULE0" - 5/16" (M1.6-M8)Number 1QUOTER40570A2100 RPM MODULEup to 5/16" B16 MountQUOTE