Merrick M998133 Heavy Duty Caster Kit for Auto Dolly Coats 109844 The RDB-500 has a maximum

The RDB-500 has a maximum capacity is 3" Schedule 40 pipe

2 Roll-Around Attachments per package (Auto Dolly set included)

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Merrick M998133 Heavy Duty Caster Kit for Auto Dolly Coats 109844 The RDB-500 has a maximumMerrick Heavy Duty Caster Kit for all Merrick Auto Dollies This caster kit will increases the capacity of the standard 1500 lb. dolly, to a 2500 lbs capacity per dolly. Kit includes 16 Casters and hardware. Casters are heavy duty 2. 5 inch diameter polyurethane, with ball bearing axles and swivels.