TRADEMASTER 4 Tonne Base & Jacks are used with Cuplok, Kwikstage and all System Scaffolding, with 4 TPI, they are tested to a SWL OF 4 tonne, with a Safety Factor of 3:1.
TRADEMASTER 4 Tonne Base & Jacks are Zinc Plated for longer life. Tested to BS4360/43A, EN74 & BS1139 standards.
Base Plate 150mm x 150mm x 5mm thick.
Thread acme 650mm x 38mm o/d with 500mm adjustment & double wing nut.