Material: 100% 4130 heat treated Cro-moButted: 13 (variable thickness)Features:Rise: 6.25’’ – 158.75mmWidth: 28.5’’ – 724mmSweep: 5° / Up Sweep: 1°Cross Bar: 3/4’’ – 19.05mmClamp size : 22.2mmWeight: 25.85 Oz / 733g