ID 18/19mm NBR Nitrile Rubber Shaft Oil Seal TC-18/19 * 28/30/32/35/40/42/45/47 * 5/6/7/8 Nitrile Double Lip Oil Seal(2pcs,19x30x7mm) ,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. Satisfaction Guarantee--100% satisfaction guarantee. Please feel free to contact us if you have any questions about our product.You may also like 3400W Electric Water Heater Instantaneous Tankless Instant Hot Water Heater Kitchen Bathroom Shower Flow Water Boiler ,Energy Saving.