Features: The grease tool coupler uses reinforced jaws and high quality sealing gaskets to ensure long lasting stable performance and prevent leakage even at extreme pressures of 10,000 PSI. Double Handle: With the double handle design, it is more labor-saving when oilings. The fine texture of the handle ensures friction with the for palm of your hand and avoids accidental slipping. The extended grease tip allows access to recessed mechanical parts, which helps locate the grease nipple in blind spots. Easy to use in narrow areas. The smooth retraction mechanism allows one-handed operation. Once the grease connector is locked onto the nipple, it will remain open, freeing both hands to operate the grease tool. Grease tooltip is made of high-quality stainless steel, which is strong and durable without breakage, leakage, warping, or typical wear and tear. Its good spring performance is perfect for long-time use. Specifications: Material:Steel Size: Approx.9.2cm/3.62inch Color:Silver Package Includes: 1x Grease Tool Coupler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.