10mm/0.39in Cr V Wood Chisel Tool, Handle Flat Carpentry Woodworking Tool

For die springs, red color represents that the load grade is medium load. Its inner diameter is half of outer diameter in general. Additionally, the heaviest load grade die springs are made in brown color. Die springs are primarily used in die machinery. Widely used in stamping dies, metal die-casting dies, plastic dies as well as other elastic motion precision machinery and equipment, automotive fields.