Design:these rubber faucet washers are designed with 4 small outer tabs to fix them in place firmly and properly,prevented washers from falling out of the hose fittings,do not interfere with the functionality of hose washer Method of use:easy to repair a leaky water tap connection,disconnect water controller at first,then twist the faucet and replace the broken one,good replacement part for garden hoses with water tap Material:these rubber gaskets are made of rubber, and do not easily lose shape and leave scratches;These garden washers fit all standard 3/4 inch garden hose fittings Sizes:each one is regular specification,the garden rubber washer external diameter is 1 inches/25 mm,the internal diameter is 5/8 inches/16 mm,the thickness is 1/8 inches/3 mm and sturdy Do not easily lose shape Do not easily leave scratches Wide functions:The rubber washers are designed in order to connect the garden hose to the head,providing a tight seal to prevent leakage.Instead of replacing the whole hose you can replace the washers. Applications:These self-locked garden hose washers seals have and just the right size for replacing a garden hose or replacing a water tap. Colour:Black Material:rubber Package Contents: 20* black garden hose washers with 4 small outer tabs Only the above package content, other products are not included. Note: Light 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.