Olympus® Lock, Inc. has added the Olympus 829R Series ratchet lock to its line of key-in-knob Schlage-style cylinder products. This lock is available with standard Schlage-style C keyway key-in-knob cylinder as well as less cylinder (part number 829R-LC) to accept Schlage original or Schlage compatible key-in-knob cylinders. The 829R Series includes true "ratcheting" functionality and comes standard with a 6" strap for 3/16" to 1/4" glass thickness. An optional strap for 3/8" material thickness is available separately. An optional 829-MD driver pack is available for use with a Medeco cylinder. Information: www.olympus-lock.com.