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Due to special pricing available exclusively to our school customers, this item is not available for purchase to our non-school customers.
Master Keyed. Series No. M30
1-1/8"W body, 3/16" dia. x 1/2"W shackle, 9/16" vertical shackle clearance.
In a Master Keyed System, a master key opens all the locks in the system although each lock also has its own unique key. This permits organizing master key systems along departmental or other functional lines to allow supervisory or emergency access.
If you would like to order a different series number than the one listed above, give us a call at (800) 831-5904. We would be more than happy to assist you.