WD-76; Dock Winch Leveling Kit. Complete w/ 900# capacity Winch, Winch Mount Tube ( 2" x sch. 40 x 12" long ), 3/16" diameter x 8 long Cable & Dock section Hook. Winch Mount tube slides over existing 1-1/4" ( 1-5/8" O.D. ) & 1-1/2" ( 1-7/8" O.D. ) Dock Pipe. The dock section hook ( J-Hook ) is made of 1/4" thick x 2" wide steel bar stock will work on dock frames up to 2" wide. NOTE: Optional, WD-76-12; "2 inch Pipe mount piece" available for 2" ( 2-3/8" O.D. ) Dock Pipe. Just slide the WD-76-12; "2 inch pipe mount piece ( which is a pc. of 1-1/2" x sch. 40 x 12" long pipe ) into Winch Mount Tube, tighten 1/2" set bolt, then slide other end down into your 2" I.D. ( 2-3/8" O.D. ) existing dock pipe. Plus $9.50 per kit shipping.