1.made with 9CrSi,D2,HSSM2 2.avalible anytime 3.tolerance within 0.002mm 4.OEM for customer 5.more than 15 years experience We manufacure a wide range of crush cutters for various industries. Our superior high-performance products have thickness tolerance of within only 0.002mm. Made with HSS, D-2, Stainless Steel, LD, or TC, our products work well in the plastic, rubber, recycling, packaging, ...