Hamilton S 7516 SPRT 4SL FCB Plate Caster with Flat Free Wheels 16 in Wheel Dia., 2900 lb, 18 1 2 in Mounting Ht 3LVR5 45 Footwear Closure Type Lace 45 Footwear Closure Type Lace Up Manufacturers Suggested Sole Slip Rating Better Shank Material Fiberglass Satra Slip Test Results Dairy Tile Oily Wet Not Tested Completely Non Metallic No Insole System Ortho Lite PU Footbed Metatarsal System No Non Metallic Upper No Non Marking Sole Yes Satra Slip Test Results Dairy Tile Wet 0 Maximum Jaw Opening 1 3 8 in Caster Product Group Swivel Caster with Four Position Swivel Lock and Brake Range 30 Degrees to 120 Degrees F Tread Color Black Swivel Raceway Type Single Ball Wheel Tread Hardness Rating Soft Mounting Plate Bolt Hole Pattern D Caster Frame Material Steel Operating Temperature Range 30 Degrees to 120 Degrees F Wheel Bearing Type Roller Swivel Construction Kingpin Load Rating Range 1000 to 2999 lb Wheel Tread Material Rubber Number of Mounting Holes 4 Includes Thread Guards No Wheel Tread Hardness 65 Shore A