Upper Cut Bag 430mm diameterPowercore Upper Cut Bag The Powercore Upper Cut Bag is specifically designed to develop uppercut technique, close range power, and head movement. A must have addition to any boxing or MMA training setup, it targets the angles and strikes that standard heavy bags can't replicate. Please Note: Chain and D Shackles are not included with this boxing bag. These are required to hang the bag from a bracket and must be purchased separately. Key Features &