The Master Lock 3121 & 6127 Pro-Series Laminated Padlocks have been designed to endure the toughest security applications. With a high security laminated steel body and exclusive cover, the Pro-Series padlocks provide extra protection against corrosion, abuse, lockpicking and attack. These locks are particularly suitable for securing basement storage units, garages and factory fences. This item is not supplied with a cylinder.
- Open and closed shackle versions
- Exclusive cover for extra protection against all weather types
- Laminated steel body with black thermoplastic cover (All except for 6852 which is brass)
- Hardened Boron alloy steel shackle
- Solid iron shroud on closed shackle version
- Cylinder sold separately