Specification: Name: Piston Ring Caliper Plier+3 inch 53mm-175mm Piston Ring Compressor+Wrench 3 pieces set, convenient Durable, long life Application: Piston 53mm-175mm Material: 65 fierce, carbon steel Size: approx. 7.5 x 5.5cm Package includes: 1 x 3 inch 53mm-175mm Piston Ring Compressor 1 x Piston Ring Plier Clamp 1 x Wrench Note: Please allow 1-10mm deviation due to manual measurement. Due to light and screen difference, the item’s color may be slightly different from the pictures.