disc plough blade Material: 65 Manganese Steel Hardness: 38 to 45 HRC Size: from 254 to960mm in diameter and from 3 to 12mm in thickness Holes available 1. Square 2. Round 3. Round with key slot 4. Round and square combined TyPES of disc1. Plain harrow disc 2. Notched disc 3. Plough disc. Minimum order: 200 pcs Delivery : 30 days place of origin: Shandong province, china Contact information: Caroline liu E-mail: sdyt66@gmail.com MSN: sdyt66@hotmail.com