Big Jon Replacement Clutch Knobs fit shafts found on Big Jon downriggers. The 1/2 in. model fits on Big Jon's manual downriggers, manual planer riggers, and the Brute ES electric downrigger. The 7/16 in. model fits on all Big Jon's electric downriggers
and electric planer riggers, Captain's Pak, Pro Tournament, and the Sportsman electric downrigger.
Each package contains two knobs.
Big Jon Replacement Clutch Knobs are made in the U.S.A.