Redstar 1-7kg Pro Carbon Fiber  Stabilizer + Vest + dual Arm Systems for Video Camera DSLR Arm/Vest material: Aluminum-magnesium Weight-Bearing: 1kg-7kg(2.2lb-15.5lb) System Net Weight: 8kg (17.5lb) Package Include: 1*Stabilizer, 1*Vest, 1*Dual Arm, 1*Fly bag for Stabilizer, 1*Instruction disc Stabilizer material: Carbon Fiber