Grease Holder, For Use With Grease , Size 2 1/4 in, Connection 2-1/4 in, Max. Pressure 3,000 psi, Working Pressure 3,000 psi, Material Steel, Features Attach Holder to Work Bench, Pegboard or Most Any Area Designed for Grease Guns or Suctions Guns with 2 1/4 in OD Barrels