Clean, Safe & Efficient Multi-User Locks Provide Health Clubs & Gym Facilities With Optimized Locker Room Management and Allows Staff Members to Focus on Other Tasks and Training Required to Provide Great Service. Our Multi-User Locker Lock Section Features the Master Lock Electronic Locks (No. 3681 & No. 3685) as well as Mechanical Locker Padlocks (3630-RH-3631-LH & No. 3670).