COBRA ALUMINUM CONVERTIBLE HAND TRUCKS COBRA ALUMINUM CONVERTIBLE HAND TRUCKS COBRA SR. Product No.   HCBR-SR-T18-Z Wt. Cap. (lbs.) 2 Wheels/4 Wheels   600/1200 Wheel Description   10 x 2.75" Semi-Pneumatic Frame Bed W x H   12 x 50.75" Wt. (lbs.)   47.0 Price Ea.   $338.72 Quantity: