HomePiston Ring Compressor Clamp 3″ 4″ 6″ Auto Tools Piston Ring Compressor Clamp 3″ 4″ 6″ Material: spring steelCoating: zinc platedMoulding Tech: stamping3″ 75mm( 53-125mm ) 4″ 100mm (60-175mm ) 6″ 150mm (90-175mm ) Add to Cart You may also like Previous Next Auto Tools Universal Heavy Duty Spring Compressor Auto Tools Single Claw Spring Compressor 310mm Auto Tools Welding 2 Claws Coil Spring Compressor 280mm Auto Tools Disc Piston Pad Spreader Separator 0-75mm