2 set Heavy-Duty alloy steel galvanize grease zerk tool. One fits for 1/8"-NPT PTF grease zerk fitting,M10x1 and grease fitting tool with hex size 3/8" (9.5mm) & 7/16" (11mm). One fits for Fits 1/4"-28 SAE, M8x1 and Zerk fittings with hex size 5/16" (7.85mm) & 3/8" (9.5mm).
