ZWW1070 Features: * Lever grease gun * Rugged cast pump head for strength and durability * Jam-proof toggle mechanism prevents binding or accidental bending of plunger * Extra-heavy follower spring insures positive priming and uninterrupted pumping action * Precision fit and hardened plunger prevents lubricant bypass, resists scoring for longer life Assembly Instructions: * Accessible check valve allows easy cleaning without gun disassembly Dimensions: * Dimensions: 3.1"" H x 15.9"" W x 4.9"" D