Tandem steel ball bearing roller, adjustable, steel housing assembly.

Highlights:

• Material : Steel
• Bearing Type: Ball
• Dimensions : 3-1/8 inch L x 3/4 inch W x 1 inch H
• Height : 4.0 inch
• Length: 9.0 inch
• Mounting Type : Plain Back
• Number of Rollers : 2
• Roller Diameter : 1-1/4 inch
• Roller Edge Type : Concave
• Suitable for : Sliding Patio Glass Doors
• Wheel Type : Tandem
• Width : 4.0 inch
• Adjustable steel housing assembly
• Easy to install