1. Leak-free Design: Enhanced jaws and premium sealing gaskets prevent leakage even at extreme pressures of 10000 PSI, ensuring long-time service and stable performance. No more wasted grease mess everywhere. 2. Good Springs: The springs perform well and smooth sliding throughout their entire life cycle. 3. Double Handle: With the double handle design, it is more labor-saving when oiling. The fine texture of the handle ensures friction with the palm of your hand and avoids accidental slipping. 4. Easy To Use: The grease tool fitting can be locked and released quickly, easily, and conveniently. Product Name: Grease Tool Coupler Size: 9 x 5 cm/ 3.5 x 1.96 inches Pressure: 10000 PSI color:As shown Material:Metal Package Contents: 1 x Grease Tool Coupler 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.