Check the listing for details. GRAINGER APPROVED 2CXL4 Plastic Strapping Kit,Standard,1/2" 2CXL4. Condition: New. Listed at 404.57 USD. Plastic Strapping Kit, Kit Includes Sealer, Seals, Strapping, Tensioner, Kit Applications Standard, Fits Strap Width 1/2 in, Thickness 0.022 in, Break Strength 500 lb, Strapping Length 7,200 ft, Strapping Wind Oscillated, For Core Dia. 16 in These polypropylene strapping kits include strapping, tensioner, compatible seals, and sealer. These items work together to perform all the tasks required to strap and secure strapping. Polypropylene strapping, sometimes called poly strapping, is a lightweight strap used to bundle newspapers, seal and bundle cartons, and secure light loads. Strapping is wrapped around a bundle and tensioned, then a seal is applied to maintain correct tension.Polypropylene strapping kits include a selection of items that work together to hold, store, transport, tension,.