ST2000 Plus Tiller PilotST2000 Plus tiller autopilot for tiller steered sailing vessels to 10,000 lbs (4,500 kg)*Note: Always take the fully laden displacement weight of the vessel into account; this is often 20% above the designed displacement.Includes: Instruction Manual Plus Tiller Pilot 12V Socket Tiller Pin (sold in packages of 5) Mounting Socket (sold in packages of 5) Specifications: Steering Type: Tiller Box Dimensions: 5"H x 8"W x 21"L WT: 5 lbs UPC: 023193100104 Owner&';s Manual (pdf)