Basic size Diameter: 200-700mm Thickness: 20-100mm Material: 55SiCr, 9CrSi,SKD11,LD,HSS,HSS insert To get a quote or more details sooner about this top shredder knife, please email us at phoebe@lcblade.com OR whatsapp +86 13399550005 Teeth shredder blades are uesd for double or four shafts shredders. And you could easily find the right shreddering blades here for shreddering livestock, vegetables, papers, textile fabrics, clothes, woods, plastic, rubber, tires, oil cans, steel and so on wastes. 1. Superior choice of material for different wastes; 2. High precision & strict inspection; 3. Advanced & experienced heat treatment for a good hardness 4. Wear resistant & long working life 5. OEM & small MOQ is available