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Model 37D Master Lock Armored Trailer Lock with Shackle Guard Product Description Specs Master Lock Armored Trailer Lock with Shackle Guard. 1-9/16" wide laminated steel case. 4-pin tumbler. Revolving case-hardened shackle-guard. 4-pin cylinder helps prevent picking. Rust-resistant nickel-plated and armor. Shackle clearance, vertical 15/16", horizontal 7/16". Comes with 2 brass keys. Dual locking levers provide extra pry resistance. Resists saws and bolt cutters. For use with cables, chains or hasps. For guarding trailer on or off vehicle. Product Title Model # Master Lock Armored Trailer Lock with Shackle Guard DIB-221316 | 37D
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🇺🇸 Ship from USA · On Agora since 2026
$16.49