The S&M Adjustable Slidepipe V2 is a heavy-duty. portable BMX rail designed and built to withstand the rigors of even the heaviest street riders. Oversized. steel bases and commercial-grade. rubber feet keep the rail firmly in place while uprights made from square. steel tubing won't allow bases to twist. even without hardware. The super-strong. extruded. center connector has a thick spine featuring tapped threads that won't pull out. plus a reinforcement plate that spans all four connecter bolts for added strength. 8' long and 18 to 24 tall assembled. weighs 64 lbs.