Solid 316L SS 1 1/2" Diameter shaft x 11 feet long. Overall unit length is 138". For vessels up to 50 feet long or up to 50,000#. Includes installation instructions and (2) 1/2" x 18" SS thru bolts & (4) 1/2" x 6" long ss mounting lag bolts. Shipping and handling is included. UNIT MUST BE TRUCK SHIPPED- SPECIAL HANDLING WILL RESULT IN ADDITIONAL FEES FREE STANDARD SHIPPING CHARGES but there are additional fees, PLEASE NOTE: SHIPMENTS TO RESIDENTIAL ADDRESSES AN ADDITIONAL FEE OF $165.00 WILL BE ASSESSED - COMMERCIAL ADDRESSES THERE IS NO DELIVERY CHARGE. TRUCK FREIGHT OVERLENGTH SURCHARGE 132"+ of $165.00 will apply. Total Surcharge for Residential and Overlength will be $375.00