Based on the original San Francisco Bay Tug, the simplified hull construction features interlocking, self-aligning parts and is planked with Balsa strips. Also includes: 12-volt electric motor, lightweight fiberglass cloth, stuffing box, prop shaft, propeller and all fittings! Hull Length: 32-1/2" Beam: 9-3/8" Scale: 5/8" = 1' (1/20) Requires 2 channel R/C equipment, speed control and batteries