Mortise Lock, Tubular Frame, 85mm， Narrow Stile, Euro Profile Cylinder, Reversible Latch, High Security, Corrosion Resistant, Universal Fit, ock with Strike Plate, Easy Installation (Backset:40mm)

• 🔧Quick-Prep: Ready-to-fit installation kit and clear measurement template with adjustable barrel-distance options,installer-friendly screws and simple alignment marks to reduce door-prep time and fitting errors while ensuring a flush,secure lockcase fit for retrofit or new installations.
• 🔒Secure Build: Heavy-duty internal components and reinforced follower manufacture deliver durable latch engagement under frequent use,engineered for reliable mechanical performance with reduced play and consistent handle return to maintain door security and smooth operation over the long term.
• ⚙️Flexible Configuration: Multiple barrel-distance and mounting-depth variants across the product range enable accurate pairing with different furniture and cylinder types,ideal for tradespeople handling retrofits or new door projects where precise alignment to handle spindles and cylinders is critical.
• 🛠️Durability Assured: Anti-rust finishing combined with robust forend construction reduces corrosion risk in humid locations and extends working life—suitable for utility,commercial and residential interior doors where low maintenance and long service intervals are required.
• ✅Compliance & Support: Supplied with matching keep and fixings,comprehensive measurement guide,customer technical support and a pre-fit checklist to verify compatibility before installation,reducing returns and ensuring a professional post-sale experience for both trade and DIY customers.

Product Description: Name: Tubular Frame Lock with 85mm Centre Distance (Multiple Backset Options) Features: Durable tubular mortice case design suitable for narrow stile framed doors; reversible latch for left/right handing; available in multiple mounting depths to match common cylinder and handle furniture; supplied with matching keep and installation fixings. Material: Stainless steel components, zinc alloy for lock case and forend, anti-corrosion surface finish. Color: Silver (stainless/zinc finish) Dimensions: Centre distance: 85mm; Available backsets/mounting depths: 25mm,30mm,35mm,40mm,45mm,50mm,60mm,70mm; Faceplate: 240mm x 22mm; Approx weight: 600g. Package Contents: 1 Tubular Frame Lock (selected backset),5 Fixing Screws,1 Matching Strike Plate,Measurement Template,Installation Instructions. Use Reminders / Care Instructions: Carefully measure door centre distance and mounting depth before ordering; verify handle spindle and cylinder alignment; wipe surface with soft cloth and avoid corrosive cleaners; ensure correct screw torque when fitting to avoid distortion. Usage note: This lock is a tubular lock body and must be used with suitable handles, cylinders, and door panels. It is normal for the handle or any other tool inserted into the hole to also operate the latch; this is part of the lock's standard operation. Warnings: Not intended as a replacement for externally exposed high-security multipoint locks; do not modify lock case or faceplate in the field as this may void mechanical integrity.