The blade resists the effects of tree resin and easily wipes clean. compact lightweight folding saw with 5-inch blade that will take up very little room in your pocket or backpack. This sleek saw features rust-resistant, hard chrome-plated, taper-ground blade with an impulse-hardened non-set tooth design for greater cutting efficiency.5 tpi medium (soft wood), 17 tpi fine (hard wood, bamboo), and 22 tpi extra fine (dry hard wood).