Compatible with Snap-on FAR720,FAR750,FAR7200 Air Ratchets. Compatible with Snap-on IM5100 Impact Wrenches. 2Pcs IM5100 Reverse Valve Seals. Throttle Valve Kit. 1Pcs Throttle Valve Kit. Use a Flashlight to Slide the Black Trigger Rod Assembly Into the Hole and Install It in the Middle of the White Pointed Valve Seat Hole.