2135-K303 Air Inlet & D93 Trigger Kit. Is your air wrench lacking the power it used to have?. Revitalize its performance effortlessly with our 2135-K303 Air Inlet & D93 Trigger Kit. Manufacturer Part Number: Ingersoll Rand 2135 Impact Wrench Parts Unit Quantity: 0.151 ounces Accessories: Overhaul Kit,Button Kit,Trigger,Valve,2135-TK2 Overhaul Kit,2135-K75 Button Kit,2135-D93 Trigger,2131-A329 Valve Drive Size: 1/2in.