This front door handle was widely popular for its elegant modern design, matches for different room’s style without overshadowing it. Designs and finishes to match any homes architectural style. This front entry handleset is to be used with an existing deadbolt or electronic smart deadbolt door lock. Solid zinc alloy adopts advanced electroplating spray paint and has high-strength anti-corrosion ability, smooth surface without impurities. Suitable for commercial & residential. ? Very easy installation lever One-person project, no extra hands needed. ? Adjustable through-bolts Slide up and down 1-1/2" (36mm), eliminating the need to patch or re-drill your door. ? Adjustable Latch 60mm(2-3/8") or 70mm (2-3/4") latch; Fit all doors of 35 to 45 mm(1-3/8" to 1-3/4")thickness.