Heavy Duty Trailer Dolly No. 27550 Key Benefits Includes 1-7/8" trailer ball and handles up to 700 lbs tongue weight Hand dolly with 4.10/3.50x6 pneumatic tires with 12" with 12" overall diameter makes moving boat, camper or any trailer a breeze even on grass or sand. Smooth, durable, powder-coat painted finish. Long handle with grips for leverage, heavy bracing. P/N 27550 Copyright © 2001 C. E. Smith Company, Inc.