The Prime-Line C 1000 Extruded Aluminum Patio Sliding Glass Door Handle is an internal locking, hook style handle set and is non-handed allowing it to be used on both left and right-handed patio sliding doors. This sliding glass door handle set features an automatic unlatching option designed to prevent accidental lockouts, and it is used to replace damaged or missing internal locking, hook-style handle sets on a majority of sliding glass doors. This glass sliding door handle set is constructed of mixed materials including wood and diecast components. The outside non-keyed locking pull and the inside support of the handle for sliding glass door are constructed of extruded aluminum and comes finished in a aluminum-painted color. The sliding glass door handle replacement is designed to fit 17/8 to 2-3/8 inch thick internally latching type doors using a 4-15/16 inch hole center spacing. Besides matching the style and type of locking mechanism, the other main specification to match is the measurement of the mounting hole centers, from center-2-center.