Security and reliability. Each of Tri-Lok's three Ace Cylinder Safety Plug Locks is designed to secure the shaftway door interlock release key holes, and do it while blending in with most decors and be as unnoticeable as possible. The SL-A Safety Locks mount through a 1" to 1-5/8" thick slide doors and provides additional security by utilizing an ACE 7-pin cylinder. The 1550 and the 1540S have a chrome finish while the 1555 has a brass finish. For complete installation instructions please see our Installation page.
NOTE: Catalog #1545 is keyed to Fire Service key FEO-K1 with our part no. TL 1411. Catalog #1550 & #1555 are keyed to TL1415. Catalog #1540S accepts the same ace type barrel key, keyed to 7010