Steel three gang mould is used for concrete testing. material:steel 50×50×50 Steel three gang mould Weight(kg)3.0 70.7×70.7×70.7 Steel three gang mould Weight(kg) 7.0 Cast iron three gang mould is for concrete hardened testing,Machined surface finished by flat grinding machine. Material :cast iron 50×50×50 Cast iron three gang mould Weight(kg)4 70.7×70.7×70.7Cast iron three gang mould Weight(kg)7.5 100×100×100 Cast iron three gang mould Weight(kg)12.5 150×150×150 Cast iron three gang mould Weight(kg)32