Capri Tools 10035 SAE Hydraulic Grease Fittings Assortment, 110-Piece Manufactured with mild steel head with carbon steel ball and spring Nickel plated finish with taper ends Straight, 45 and 90-degree grease fittings in 1/4 SAE and 1/8 NPT Meet and exceeds SAE J-534-C and DIN 71412 standards. Achieve quality results and no leaks with this set of grease zerk fitting pieces