BUCKLITE™ Titanium Tree Climbers are rated to 350 lbs. and exceeds ASTM F887 standards. This is the only climber set in our product line that includes both GRiP Technology™ and a contoured shank. Unmatched comfort in a Titanium climber and lightest Titanium climber available. Dowel & Screw design allows for easy gaff change out. High Strength-to-Density ratio (Strong and lightweight). Whether you are climbing a tree with thick bark or thin bark, the hybrid gaffs, measuring in at 2 7/16�, gives the user the convenience to easily climb both. Corrosion resistant titanium makes these climbers one of the most durable in the market.