Consists of 1/4 in W center groove wheel. Heat-treated, high-tension adjustable steel M-spring. Used by several patio door manufacturers.

2-roller tandem design. 6-1/4 in L x 1-3/16 in H x 11/16 in D adjustable steel housing with 2 steel ball bearing rollers.

For sliding glass doors. Center grooved, 5/16 in W steel ball bearing roller and steel inner race with 1/4 in - 20 x 3/4 in carriage bolt and 1/4 in - 20 hex nut.

Consists of 1/4 in W center groove wheel. Heat-treated, high-tension adjustable steel M-spring. Used by several patio door manufacturers.

Used by metal industries. Center grooved, 1/4 in W, roller. 1-3/4 in L, high-tension, heat-treated steel spring. Includes #8 x 3/8 in Phillips sheet metal screw.

1/4 in W center groove nylon wheel, high-tension 2-1/2 in L heat-treated steel spring and #8 x 3/8 in Phillips pan head sheet metal screw.

Used on Croft and Keller sliding screen doors. 1/4 in W x 3/8 in Dia flat nylon ball bearing wheel with 3/8 in threaded hex hub. Includes 2 rollers and 2 fasteners.

5/16 in W steel ball bearing roller, center grooved, 3/8 in W including hub, with built-in 5/8 in L x 7/32 in Dia axle.

Used by many patio door manufacturers. Steel ball bearing roller in adjustable 2-5/8 in L x 1-3/8 in H x 3/4 in D steel housing with 10-32 machine thread hole on top center and 1/4-20 side threads for mounting.

3/4 in wide die-cast keeper, screw slots allow for vertical adjustment, universal application. Contains one keeper and installation fasteners.

1-1/4 in W x 3-5/8 in L, steel strike replaces most deadbolt strikes for increased security. 3/4 in x 1-1/16 in opening.

Bent spring design used by Academy Mfg. and others. Center grooved 5/16 in W wheel, 2-1/4 in L x 5/16 in W flat high-tension heat-treated steel spring and #8 x 3/8 in Phillips sheet metal screw.

Used by Crossly and other patio door manufacturers. Steel ball bearing roller and adjustable 2-5/16 in L x 1-1/8 in H x 11/16 to 9/16 in D die-cast housing assembly with 15/16 in flare width.

Steel ball bearing roller and adjustable steel housing assembly. Fits on Nu-Air, Bennings, Scotty and many other patio door manufacturers.

Steel ball bearing roller, adjustable steel housing assembly. Used by many patio door manufacturers. 2-5/8 in L, 1-1/8 in H and 3/4 in W housing dimensions. 10-32 machine thread on top and 1/4-20 machine thread on end of housing.

Steel housing and hook, round end face plate. Hook position is adjustable, fits on W&F. Hole center of 3-11/16 in.

Steel housing and hook, round end face plate. Hook position is adjustable, fits on W&F. Hole center of 3-11/16 in.

Plastic roller with narrow center groove 7/32 in W nylon wheel, concave edge. Includes a 8-32 x 3/8 in machine screw with binder post nut. Fits on air control doors.

Used by several patio door manufacturers. Consists of 1/4 in W center groove wheel, high-tension heat-treated steel v-spring (2 in L before and 2 in L after bend).

Used by Air Control, Howmet, Krestmark and many other patio door manufacturers. Steel ball bearing roller and adjustable 2-5/8 in L x 1-3/8 in H x 3/4 in D steel housing assembly with machine threaded holes (10-32 top and 1/4-20 side) for installation.

Die-cast construction fits most popular flush lock cutouts. Comes complete with keyed cylinder lock; reversible for left or right hand; complete with 4 different hood lengths. Includes 1 inside latch with deluxe wood pull, 1 outside pull, 1 keeper, installation fasteners, 4 hook assortment and 1 locking cylinder with 2 keys.

Steel hook; nite latch feature; universal design; interchangeable, reversible hooks. 4 Hook Assortment, surface-mounted latch style: Hook Style Hole Center: 6-5/8 in. Includes 1 inside latch and pull, 1 outside pull, 1 locking cylinder, 1 keeper and 1 set of installation screws.

Die-cast outside pull, inside pull with wood handle, die-cast thumb turns with steel latch activator. Includes one inside pull with thumb latch, one outside pull and installation fasteners.

Contents: 2 rollers Steel ball bearing roller, steel inner race with 1/4 in hole, center grooved.

Adjustable steel housing assembly, fits Acorn Door and other patio door manufacturers. 2 1/8 in L x 9/16 in W x 1 in H. 10-24 machine thread.

Cylinder Lock, 1-1/4 in, 5-pin tumbler lock with 2 keys, hardened break-away tailpiece. Used to keylock most surface mount handle sets. Keyway is compatible with Weiser, Kwikset & Weslock.

Steel ball bearing roller and adjustable 2-3/8 in L x 1-1/4 in H x 11/16 in D steel housing assembly with machine threaded holes for installation. Fits on Blomberg and other patio door manufactures.

5/16 in W steel ball bearing roller; built in 7/32 in Dia axle, center grooved.

Tandem steel ball bearing roller; adjustable; steel housing assembly. Housing width: 3/4 in. Roller edge type: Concave. Contents: 1 roller assembly.

Tandem steel ball bearing rollers; adjustable steel housing assembly; housing dimensions: thickness 3/4 in; length 3-1/8 in; height 1-1/32 in. Housing width: 11/16 in. Roller edge type: Concave. Contents: 1 roller assembly.