... 4.Width from 45 to 300MM Single-ply polyester towing straps with shackles and loop Art. No.Width(MM) ... -45-4, it means T, towing strap, E, polyester, S, single-ply, S, shackles on one end ... 20%. They are manufactured from high tenacity polyester or nylon material with or without drop forged fittings. Width from ... the company looking guarden-like. Single-ply polyester towing straps with shackles and loop