Specification: Product Name: Grease Tool Coupler Material: stainless steel Size: 9 x 5 cm/ 3.5 x 1.96 inches Pressure: 10000 PSI Parts List: 1 x Grease Tool Coupler Features: 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 guarantee 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. Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding.