Have bottle jack in your shop?  Maybe on your shop press, engine hoist, motorcylce lift, tubing bender or other?  Then you need this knob!!!  It fits onto the release valve, and allows you to operate the valve without using the pump handle.   Its so handy you wont know what you did without it.  

CNC machined from aluminum.  Made to be universal to fit a wide variety of release valve styles.  

Universal Bottle Jack Knob


963 S. 8 Mile Rd kawkawlin MI 48631 US