SOBA Iron Clipper Liner. Same great design and geometry as the popular Brass Clipper, sand cast in Ductile Iron, black oxide finish with a farther forward upright to balance weight over hand. Clipper Liner is NOT a Cutback, has 6 wrap 1 1/8" coils, 20 gauge springs, over under rear binder, and pushes 5's to 9's with ease. 150-160 Hz at 6.5 V. 8.35 oz.