MODEL 101.133/134/135 Mortise lock, according to BDS Latch: Material - Zinc-Aluminium alloy Reversible without dismantling, specialconstruction allowing smooth dooroperation Deadbolt: Steel, 3-layer Front plate and striking plate coating:Nickel / Brass Body: Steel with polymeric coating Application: For entrance metal and wooden doors Front plate hole for lubrication Protection against wearing-off of the hub MODEL 101.095Additional door lock MODEL 101.128Main door lock MODEL 101.050 / 055Additional door lock