This sliding screen door handle and latch is non-handed and used on 1/2 in. thick Columbia doors, as well as a variety of other patio door manufacturers. It contains an inside pull and outside pull. The handles have mounting holes that are 3 in. on center and the spring loaded nylon latch rotates up and down to engage the keeper. Latch can be locked from the inside by the security lock. For 1 in. thick Columbia door see Prime-Line part A 157. Color: Black.