Manufacturer Part Number: TL-8J|For Use With Caster Wheel Diameter|8Retracted Height|Mounting Height (Inch)|Extended Height|Top Plate Size|4 x 4.5 inBolt Hole Spacing|2-5/8 x 3-5/8 Slotted To 3 x 3Attaching Bolt Size|Minimum Height (Inch)|Maximum Height|Mounting Hole Center-to-center Length|Mounting Hole Center-to-center Width|Inside Bolt Hole Spacing|Outside Bolt Hole Spacing|For Screw Size|Color|Material|Finish|Zinc-PlatedWheel Diameter|8inMounting Location|Brake Retraction Pedal Location|SideTop Plate Thickness|Top Plate|4 x 4-1/2UNSPSC Code|