Ultimate Wizard 31 All Season Epoxy Ball Plug – 2 Gallon KitNew and improved all season formula!Formulated to combat atmospheric changes in pro shopsCures in 12-16 hoursTechnology perfected by the chemist who developed aerospace-grade epoxyUse two-pour process for holes 1-3/8″ and largerQuart size Hardener bottles eliminate Hazmat chargesTwo (2) premeasured pumps included