Hand Sewing Needles Long is an assortment of four long upholstery hand needles. These extra-long, straight needles are 6, 8, 10 and 12 inches long. The 6- and 8-inch needles are for tying springs to webbing, sewing edges and stitching through padding. The 10- and 12-inch needles are for tufting, attaching buttons and anchoring spring bottoms to webbing.