C.S. Osborne No. 502 Heavy Curved 3 Square Point Needles
C.S. Osborne No. 502 heavy curved 3 square point needles pair a triangular cutting tip with a sturdy shank for sewing thick leather, vinyl, and heavy upholstery covers. Lengths run from 2" to 10", stepping from 17 gauge to a heavier 13 gauge as they get longer. See Light Curved 3 Square Point Needles for thinner leather, or Heavy Curved Round Point Needles for fabric.