Handsaw. 15-in. blade coated with "Blade Armor" composite to give the blade 3 times more rust protection, 6 times more abrasion protection and 50% less friction. Blade is 15% ticker than conventional saws for straighter cuts with less binding. "SharpTooth" saw technology uses three cutting surfaces to cut 50% faster than conventional handsaw. Induction-hardened teeth stay sharp up to 5 times longer than standard teeth. Back of saw can be used to mark 45° and 90° angles. Thick, ergonomically designed grip resists slipping and adds comfort.