This is a plain back tandem roller assembly used by a variety of patio door manufacturers of metal or vinyl framed patio doors. It has two in-line 1-1/4 in. concave Plastic ball bearing rollers set in a stamped steel housing with rear adjustment. The housing is 3/4 in. wide, 1-1/32 in. tall and 3-1/8 in. long with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on the top.

This is a plain back patio door roller assembly with a 1-1/4 in. concave or grooved steel ball bearing roller. It has a plain back housing that is 3/4 in. wide and 1-3/8 in. tall. It is rear adjusting with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on top. It is used by Air Control, Howmet, Trustmark and a variety of other manufacturers of patio doors.

This is a sash lock and keeper. Constructed from diecast zinc it comes in a finish. They are found on a variety of sashes and due to their design are often used as a child safety lock. The slim-line design allows a minimum projection for a maximum unobstructed view. All the necessary installation hardware is included for a quick and easy installation. A Phillips head screwdriver will be required for installation.

This 1-1/4 inch plain back tandem roller assembly is designed for Keller, Milgard, and a variety of other vinyl sliding patio doors. It features two concave steel ball bearing rollers in a durable stamped steel housing with rear adjustment for precise alignment. The housing measures 11/16 inch wide and 1 inch tall, with a 1/4-20 threaded mounting hole on the back for secure installation. Perfect for DIY homeowners or contractors, this assembly restores smooth, quiet sliding operation and long-lasting durability to your patio doors.

This is a C-tab patio door roller assembly with a 1-1/8 in. diameter concave, or grooved, steel ball bearing roller. As the C-shaped tab fits around the corner screw, it is captured by the side stile and bottom rail as the screw draws the two sides together. The housing is 23/32 in. wide and 1-3/16 in. tall with a dimple width of 7/8 in., and most often used by Solar Industries and a variety of other patio door manufacturers.

This is a C-tab patio door roller assembly with a 1-1/8 in. concave or grooved steel ball bearing roller. The housing is 23/32 in. wide and 1-3/16 in. tall, and 2-5/16 in. long. As the C-shaped tab fits around the corner screw, it is captured by the side stile and bottom rail as the screw draws the two sides together. Used by Merzorr and a variety of other patio door manufacturers.