Specification: Weight: 1079g Color: Black Material: Iron Bolt Head Diameter: 0.54" Bolt Thread Size: 0.3" x 1.1"(D*L) Total Size: 121 x 82 x 20mm/4.76" x 3.23" x 0.79"(L*W*H) Package Includes: 10 x Chain Link Brace Bands Some Bolts & Nuts Note: Due to the manual measurement,there may be small deviations. The color may have different as the difference display,please understand.