Artisan Diameter and Tree Tapes, 3 8 in x 240 in, Brown no checkout sense of touch sense of touch Heavy duty cast aluminum housing is 40% lighter than cast iron and easier to maneuver I Beam handle and wide design provides better weight distribution Drop forged jaw is heat treated to resist distortion or breakage Easy spin adjusting nut is heat treated for durability Hammer head design provides a flat surface for hammering Large easy action winding drum and friction washers Nylon roller guides the tape smoothly in and out Features blade with markings on both sides Rugged vinyl covered steel case T in the suffix of the number denotes a tree tape which is fitted with a special claw hook designed for anchoring in tree bark when measuring diameter