Clarkes Contractor adjustable steel trestle has a tough welded steel framework with a durable powder coated finish for corrosion resistance. Used in pairs mainly to support scaffold boards they are a cost effective means of obtaining a stable & height a- Light duty model - 25x25mm square section steel frame (1.5mm thick)- Max load per trestle: 87.5- Multi position height adjustment with spring bolt safety lock- Height range 660 to 930mm- Support width 730mmPTDCLA6600006