This unique patio door handle is used by Ador/HiLite doors. It has mill finish extruded inside and outside 6 in. handles. It is non-handed and will work on either right or left-handed doors. The spring-loaded hook pins twist in tandem to lock into the door jamb. No keeper required. Unit is non-keyed. Mounting holes are 3-7/8 in. on center. Minimum door width of 7/8 in. and maximum width of 1-1/8 in.