Tru Temp Industries manufactures Small Trailer Spring for Box Type Trailers. Tru Temp Industries is an ISO 9001-2000 awarded company that also manufactures assemblies for the automobile industry & agricultural implements. Small Trailer Spring for Box Type Trailers is available with maximum conventional 235mm taper length. It is offered with 100 to 2300 mm sheared length. It has 5 to 30 mm Leaf thickness. Springs are available with 40 to 120 mm leaf width. It comes with 1 to 22 leafs in a spring.