Adjustable steel prop 1)Length 1.8M to 3.2M 2)Power coated 3)Out dia48*1.8mm;In.dia40*1.8mm 4)Weight:8.5KG Steel prop 1)Material:steel pipe grade Q2352)Surface treatment:powder coated3)Minimum length:1.8M Maximum length:3.2M Weight:8.5KG External tube:dia48*1.8mm; Internal tube:dia40*1.8mm4)Package:1*40'HQ includes 2500pcs Steel prop/shoring post for construction use