Unique wood and slip-resistant rubber construction provide insulated performance against freezing and won't lift or slide in heavy winds. Also, the wood and rubber materials don't produce fish-spooking noise in adverse weather. Smooth-operating metal components withstand years of rugged use. The 10" version easily stacks in a 5-gallon bucket for convenient transport. Available: 10" diameter fits 6" to 9" holes. 12" diameter fits 10" holes.