Operate with Mul-T-Lock Euro cylinder and Cogwheel 360 key turned for maximum deadbolt action. Standard backset is 56mm, can be assembled with the SH300 security hardware (handles and cylinder cover)
4-Way Lock 235
Mul-T-Lock 4-Way lock model 235
Mul-T-Lock 4-way lock 235, Installed inside wood or metal doors to provide a maximum of 4-way multi-bolt locking solution.