Features: This item is rapid and safe installing tools for flexible rod seals. Making smaller size than gland hole by turning seal to omega shape can avoid most of damages. Made of high quality stainless steel, anti-deformation and anti-corrosion, durable for long time use. Fit for auto cars ship inner flexible rod seals, such as hydraulic cylinder piston seal up u-cup, O-rings. Part Name:Hydraulic Cylinder Piston Rod Seal U-cup Installation Tool Kit Set Part Numbers:J05321 Application:Universal Color:Silver Material: Steel Fitment: .