ID: 63mm Black NBR TC/FB/TG4 Skeleton Oil Seal Rings OD: 80mm-100mm Height: 8mm-12mm NBR Double Lip Seal for Rotation Shaft(63x80x8mm,5Pcs) ,Safe Material

Material: Made of steel and rubber to ensure maximum reliability and performance. and long lasting. Rust and corrosion resistance. Part Type:cylinder rebuild seal kit Function:When the Hydraulic Cylinder is leaking, it is time to check if the inside seal was crank or damaged. To rebuild your Hydraulic Cylinder Gland and Piston , you will need this cylinder seal kit. Easy to install:This kit usually takes less than an hour to install and can be done with a vice, pipe wrench and a few hand tools.