Singer Heavy Fabric Repair KitSinger has put together a Heavy Fabric Repair Kit that is a must have for sewists on the go. The heavy duty thread and needles are perfect for patching tents, upholstery, canvas, rugs, and more. The nickel plated steel needles are strong and durable. The Heavy Fabric Repair Kit contains a sail needle, a canvas needle, a carpet needle, a sacks needle, a leather needle, and two upholstery needles. The canvas and leather needles feature triangular shafts