... ET Backset:60/70mm Door thickness:35-50mm 3687PS tubular handle lever lockItem No: 3687PS-ET Brand RONGLISIDescription Tubular ... handle lever lock1, material : stainless steel , alloy , steel , brass2.Finish: Satin ... 588,5831,5731 ect. We also specialize in ball bearing slide, ,door hinge, door handle,drawer lock, tubular knob locks, mortise lock ...