Internal lock set is designed to fit 90% of all internally latching doors. Reversible for right or left hand openings. Automatic unlatching feature prevents accidental lockout. Designed for 1" thick doors. Used on doors by Viking. Handle Type: Internal Lock, Latch Style: Hook Style, Hole Center to Center: 3-15/16", Material: Mixed Materials, Finish: Painted / Wood, Color: Black / Wood. Please click on the pictures above for detailed measurements.