... *3mm thick tubing design,firm and durable; (fitness,sports,fitness machine)Function:place dumbbells on it Speciality:1.76*3mm ... established in 1989,which devoted itself to the fitness field and specialized in the R&D,manufacturing ... great recognition as the leader in the domestic fitness field and the first one coming to the ... gymWelcome to WNQ! Dumb bell Rack(fitness,sports,fitness machine)