Goldenwarm, giving you a firm and warm experience. We are committed to providing quality products and service on Amazon. We have courage to explore, judge products which has been produced, and we'll continue to innovate, even if it's a small change. Providing valuable service to buyers is our courage to challenge ourselves. The interior door lever can be rotated to work in both directions way. The front door handle can be installed on both right-handed and left-handed doors. Adjustable latch to fit 2 3/8" or 2 3/4" backsets. Before you purhcase the exterior door handle sets, measure the backsets. Fits on 1 3/8" to 1 3/4" thick doors. Before you purhcase the exterior door handle sets, measure the thickness.