3 Pack Hydraulic Seal Installation Tools, Hydraulic Cylinder Piston Repair Seal Product Details ?Universal Compatibility? Hydraulic Seal Installer is a quick and safe installation tool for flexible rod seals. 3 sizes to cover most rod seal installation job from 0.87" up (Rod Diameters): (S) 22-40mm (0.87"-1.57" Rod) gland hole ; (M) 40-70mm (1.57-2.75" Rod) gland hole; (L) 70-165mm (2.75"-6.49" Rod) gland hole. ?Efficient Work? Fast and simple to install, impossible to mess up. Simply put the seal in it in seconds, smoothly rotate the arm of Hydraulic tool to bend the seal to a Kidney Bean shape and insert the seal to the cylinder groove. Efficiently save you time and effort to complete seal installation work. ?Expertly Made Superior Quality? Upgraded comfortable rubber handle cover design to avoid slippage. 3 different colors for easy identification of different sizes. Strong welds and and well-polished edges provide smooth operation and great protection for both seal and cylinder. ?Widely Used?U-Cup twistor installation tool is ieal for installing automotive marine hydraulic cylinders, O-rings, bucket cylinder inner seals, auto cars ship inner flexible rod seals, loaders, backhoes, skid steers, etc ?100% Satisfaction Guarantee? Your satisfaction is our priority. We strive to give our customers excellent service. All Sixcow products support 30-Day money-back guarantee, 12-Month warranty for quality-related issues. Simply return it for your warranty. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.