Steel Props Scaffolding steel props are maily made of bottom plate,outer tube,inner tube,sleeve and nut pin. The scaffolding props can be adjusted to the different height to support construction fromwork systems. 聽聽 Product Specification Property of Scaffolding Prop Surface:Hot Dip Galvanized,Painted,Electro-galvanized,Powder Coated Material:Q235/Q355 Outer Tube:48mm,56mm,60mm CertificateISO,SGS,BV,CE TypeLight/Middle/Heavy Duty 聽 APPLICATION 聽 PACKAGING: The advantages of Topstar Props 1.Our Props fully confirm to the requirements of BS 4074 : 1982 and have been tested in accordance with BS 5507 Part 3 : 1982. 2.Topstar Props are manufactured from high quaity material with a powder coated painted finish for long life and are highly resistant to site wear and tear. 3.Props can be used on all types of building construction or for any type of use where an adjustable load bearing member is required. 4.The high tensile steel pin is located through a slot in the outer section and a hole on the inner section for coarse adjustment. The cast collar located below the pin gives fine adjustment for levelling or striking. 5.The rolled thread ensures no loss of material or strength at this critical point.Steel Props website:http://www.tsscaffold.com/steel-props/