The Yale Lockmaster 21 is the newest iteration of Britain’s best-selling multipoint door lock, so called because it comes 21 years after the very first Lockmaster was released. This latest offering delivers the same reliability, ease of use and long service life you’ve come to expect from Lockmaster, coupled with the usual high levels of security and superior performance, but with some great new features added.

Key features:

• PZ92mm centre case
• Easily reversible latch
• Sprung and un-sprung centre cases available
• Un-sprung lock case has twin followers to accommodate both front door night latch operation and back door lever/lever functionality
• Stainless steel pre-compression rollers pull the door in before locks are deployed to give smooth, effortless engagement and optimal weather-proofing.
• High-security hooks with 25mm engagement
• Easy to use latch snib feature prevents accidental lock-outs. To activate, simply push the latch into the gearbox into its hold-back position. To de-activate, just lift the lever.
• Single or multi-piece keeps and wide choice of packers available to suit most profiles
  

Dimensions:

• 35mm backset
• PZ92mm centre case
• 16mm width square ended faceplate
• 2117mm long faceplate

Guarantees and accreditations:

• Tested to PAS 24 & SBD accredited
• Corrosion resistant to BS EN 1670 Grade 4 240 hours salt spray
• Tested to minimum of 100, 000 cycles with a 10-year mechanical guarantee

Keeps & packers to suit:

• One Piece Keep - Left Hand YLM91011M
• One Piece Keep - Right Hand YLM91012M
• Profile related packers available