Pyramid Time Systems Time Clock Replacement Keys, 3500, 3550SS, 3600SS, 3700, 4000, 4000Pro, 4000HD, 5000, 5000HD, 2/Pack (41479K)

Replacement keys for Pyramid time clocks. Works with models 3550, 3550SS, 3600SS, 3700, 4000, 4000Pro, 4000HD, 5000 & 5000HD. Unlocks security lock. Includes key ring. 2 keys per pack.