Home / Sewing & Equipment / MAIER / KMS 300 For regrinding of: circular knives from 150-300 mm diameter and seamless knives from 127-279 mm (5″-11″) diameter. Categories: MAIER, Sewing & Equipment Product ID: 544 Related Products UAM 02 UAM 03 1007 Cuff Hem Pressing Machine KMS 400