Specification: Weight: 889g Color: Black Material: Iron Total Size: 86 x 56 x 19mm/3.39" x 2.2" x 0.75"(L*W*H) Bolt Head Diameter: 0.54" Bolt Thread Size: 0.3" x 1.1"(D*L) 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.