Dixon 13LW Replacement Stainless Steel Lock Washers for their high pressure bolted clamps are constructed entirely from 304 stainless steel. Use these to replace lost or damaged washers from your 13MHP Dixon Sanitary bolted clamps. Please note that these clamps originally came with either brass or bronze hex nuts from the factory which can also be found on our website. Missing other hardware? Stainless steel bolts and nuts are also available!