Complete Tapping Systems Model No. Description TRS1050-R875 Tapping Arm Assembly 7/8 Cap 5-41″ Working Range Rigid Toolholder TRS1050-U875 Tapping Arm Assembly 7/8 Cap 5-41″ Working Range Universal Toolholder TRS2000-R875 Tapping Arm Assembly 7/8 Cap 12-88″ Working Range Rigid Toolholder TRS2000-U875 Tapping Arm Assembly 7/8 Cap 12-88″ Working Range Universal Toolholder TRS1050-R1125 Tapping Arm Assembly 1.1/8 Cap 5-41″ Working Range Rigid Toolholder TRS1050-U1125 Tapping Arm Assembly 1.1/8 Cap 5-41″ Working Range Universal Toolholder TRS2000-R1125 Tapping Arm Assembly 1.1/8 Cap 12-88″ Working Range Rigid Toolholder TRS2000-U1125 Tapping Arm Assembly 1.1/8 Cap 12-88″ Working Range Universal Toolholder Previous