These spools are from Kodak Portra 70mm 100 ft film and are used in good condition. They are 2-7/8" long by 3-5/8" diameter. Has a 7/8" core with a 2-3/4" slit. Great for wire, fabric, reloading film, tubing, solder, rope, twine, chain, ribbon, etc, etc. We have a good quantity in stock.