Hamilton R 7516 SPRT Plate Caster with Flat Free Wheels 16 in Wheel Dia., 2900 lb, 18 1 2 in Mounting Ht, Rigid G1196361 Item Patching Compound Type Steel Item Patching Compound Type Steel Filled or has a flush that's too short or too long Caster Brake Type No Brake Included Item Plate Caster with Flat Free Wheels Caster Sub Type Rigid Caster Load Rating Range Medium Duty Caster Product Group Rigid Caster Load Rating 2900 lb Caster Wheel Tread Material Rubber Wheel Tread Material Rubber Wheel Tread Hardness Rating Soft Wheel Bearing Type Roller Mounting Plate Bolt Hole Pattern D Inside Bolt Hole Spacing 4 1 8 in x 6 1 8 in Outside Bolt Hole Spacing 4 1 8 in x 6 1 8 in Number of Mounting Holes 4 Caster Brake Type No Brake Included Non Marking No Number of Wheels 1 Frame Finish Enamel Caster Frame Material Steel Hub Type Symmetrical Ply 6 Tread Ribbed Caster Temp