Easy to install on thin doors. Smooth, positive latching action insured by powerful conical spring. Durable nylon roller for quiet operation. Adjustable tension. Full lip style strike for simplified mortising. 3/4" x 1-3/4" bore, 2-1/4" x 1-5/8" strike, 2-1/4" x 7/8" face plate, 1-3/16" CTC. Packed with sheet metal screws. Polybagged.