450 TRISTAND® Chain Vise Replacement Part, Jaw, 1 8 in to 5 in OD no checkout Slip resistant grip and corrosion resistant Extra wide Slip resistant grip and corrosion resistant Extra wide jaw capacity Square jaw opening provides strength Rugged I beam style handle and reinforced stress areas Radius corner design reinforced with leather at splice around top ring No 6 canvas with Cycolac top ring and molded bottom 75 pound (34 kg) Max Load Rating Helps keep piping tightly in place without the need to clamp down and the risk of compression Replaces old or worn parts to keep chain vise working like new Installs easily to reduce downtime