Miti zenye zinatumika as support during construction should be of high quality and calliber if you cant find any swap it with the steel rods As you guys can recall the accident that happend in pangani during a costuct site baze wasee walikua njee many stories high then miti zikavunjika it costed lifes . So guys first thing first usalama yako inaanza na wewe Na for people wanasimamia hizi construction site let us get reliable products #construction