Package List: Our package contains 4 pieces of 1-1/2inch O-rings (10262), 4 pieces of 2-1/4inch step washers (10745) and 4 pieces of 3-7/8inch flat washers (10255), which are perfect replacement parts for worn pool hose washers. Product Material: The gasket is made of rubber with exquisite craftsmanship, reliable, wear-, not easy to damage or deform, choose good materials, you can use it with confidence. Easy to Install: The gasket is very easy to install, just install it directly, no other installation tools are required, fast and convenient, saving your time. Excellent Design: These ring kits increase the contact between the hose or pool equipment and the plunger valve to avoid damage to the valve and solve the leakage problem at the connection between the plunger valve hose and the filter Color: Black Material: Rubber Package Contents: 12pcs * 25076rp Washer and Ring Kit 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.