The Cambridge Entry Door Knob in polished chrome will add classic style to your vintage, modern or traditional decor. This knob accepts a key on one side and is operated by a turn-button knob on the other side. Perfect for front and back porch, garage, or patio doors. Designed for left- or right-hand doors, it will easily fit two common backsets (2-3/4-inch and 2-3/8-inch) and has a 1-inch by 2-1/4-inch radius round corner face plate. Use this handle on standard 1-3/8-inch and 1-3/4-inch thick doors. Designed and manufactured by Design House, the trusted source for quality lighting, hardware, plumbing, kitchen, and bath products for every taste and budget.