Pneuhook PNEU1 Stainless Steel Universal Quick Change Pneumatic Tool Hook with 1/4" I M Coupler and Plug Profile Strong, lightweight and BUILT TO LAST stainless steel construction quick change universal hook for pneumatic tools (air tools) Equipped with high quality MILTON couplers and plugs Unique patented design with "Hook Stop" to prevent accidental disconnect Built in 1/2" skill saw blade wrench and Nail hanging hole Hangs on hammer loop, 2X stock, nail, tool belt, leading edge plywood, etc.