Features: 3.This kit fits many different types of air compressors.4.The kit is made of high quality material, reliable and .5.Air Compressor Sealing Gasket: 77.3x70.5mm3.04x2.78inch (LxW)6.Air Compressor Piston: 47x40x12mm1.85x1.57x0.47inch (DxHxhole pitch)Piston Ring: 3mm0.12inch (thickness)Gas Ring: 1.5mm0.06 (thickness)Piston Pin: 38.5x12mmx0.47 1.52 inch (LxD)Circlip: 13mm0.51 inch (diameter)Note: Please check the size of the parts for your air compressor before purchase to ensure a perfect replacement.Specifications:Material: Engineering Plastics & MetalColor: Gray & Silver & Black name:BQLZRSize:Air Compressor Sealing Gasket: 77.3x70.5mm3.04x2.78inch (LxW)Air Compressor Piston: 47x40x12mm1.85x1.57x0.47inch (DxHxhole pitch)Piston Ring: 3mm0.12inch (thickness)Gas Ring: 1.5mm0.06 (thickness)Piston Pin: 38.5x12mm1.52x0.47inch (LxD)Circlip: 13mm0.51inch (diameter)Weight: 113gPackage include:1 set Air Compressor Sealing Gasket (3pcs)1 x Air Compressor Piston (47mm)1 x Piston Ring2 x Gas Ring1 x Piston Pin2 x Circlip