The SARGENT® PR100 lock with Aperio™ Technology makes it easy and cost-effective ... eliminating the greatest cost and inconvenience of traditional access control – the wiring at the door.

Sargent and Greenleaf, Inc. (S&G), a division of STANLEY Security, announces the S&G® Model 2890B Pedestrian Door Lock (PDL) – the first lock of its kind in the security industry designed to meet U.S.