Water Soluble Paper and Tape, 2 in W x 300 ft L, Tape, White ORS NASCO General purpose selection of the most General purpose selection of the most frequently used nut drivers Full hollow shafts facilitate work on long bolt applications Cushion grip handles allow for greater torque and comfort Internal flanges provide solid electrodes are packed together with swirl ring holder (black part) in ratio 5 electrodes to 1 holder leaving no residue in pipeline Provides a convenient and cost effective method for creating purge chambers for pipe welding Low air permeable purge gas barrier for TIG welding Excellent barrier for retaining noble gas (argon and argon helium mix) Simple and fast construction Dissolves effortlessly and rapidly during water or steam hydro test