Usage Tips:Essential Tool: The grease fitting tool effectively cleans dried old grease from fittings, pins, shafts, bushings, and joints. An essential tool for maintaining tractors, backhoes, trucks and other heavy machinery No More Clogged Grease Zerks: The grease buster combines penetrating fluid with hydraulic pressure to quickly remove stubborn grease and prevent clogging. Reduced downtime extends service life, saving you time and money Cleaning Efficiency: The grease zerk buster dissolves old grease 50% faster than traditional methods. Reduce your work time and make your job less difficult Built to Last: The grease fitting cleaning tool is made of heavy-duty materials, sturdy construction, and can be used for a long time. The compact design makes it easy to carry and use, making your job easier Easy to Operate: 1.Fill with solvent; 2.Insert piston; 3.Tap lightly and repeatedly with a hammer to flush out the clog. Repeat until the clog is completely dissolved Color: Red & Black Material: Metal Package Contents: 1 * Grease Fitting Cleaning Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.