Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets Black oxide finish resists corrosion

Black oxide finish resists corrosion and increases life of bit

accepts most gas to attachments to provide multiple use

Excellent line of sight for precise

Blocks out air and moisture

Average life 5000 Hours

Simmons 606SB 2 Hole Check Valve, 1" x 1/4" Screwdriver Sets Black oxide finish resists corrosion"Simmons" Check Valves 400 PSI working pressure For Diaphragm Tanks Female Threaded 2 Tappings: (2) 1 4" Outlet Size Ins.=1 Silicon Bronze Lead Free Silicon bronze cast body and poppet contain less than 0. 05% Lead Furnished with Buna N o ring, stainless steel spring, stainless steel washer and stainless steel locknut