• Compatible with Hurricane, Maior, Helios, and Ambition shafts • Available sizes: #1 6.06mm OD, #2 5.75mm OD, #3 5.43mm OD • Hurricane shafts: #3 pin • Maior shafts: 350-400 spine use #1 pin, 500-800 spine use #2 pin, 900-1000 use #3 pin • Helios shafts: 500 spine use #1 pin, 600-800 spine use #2 pin, 900-1000 spine use #3 pin • Ambition shafts: 500 spine use #1 pin, 600-700 spine use #2 pin, 800-1800 spine use #3 pin • Sold in a 12 Pack