Home / Sewing & Equipment / MAIER / KMS 400 For regrinding of: circular knives from 200-400 mm diameter andseamless knives from 127-407 mm (5″-16″) diameter. Categories: MAIER, Sewing & Equipment Product ID: 546 Related Products MTP Points Shearing Machine 1006 Collar pressing machine 68/1 MSP H.B. Cuffs Pressing Machine