Ferrules Stops, Aluminum, Silver, Galvanized Finish, Length (In.) 1/4 in, Height (In.) 4 5/8 in, Width (In.) 2 3/4 in, Depth (In.) 1 1/8 in, Inside Dia. 1/4 in, Wheel Diameter Not Applicable, Roller Width/Dia. (In.) No Roller, Number of Wheels 0, Extruded Aluminum, Hardware Not Included, Requires Needs 1/4 Cable & Swage-it Tool, For Use With Sectional Garage Door, 1 Pair