Options: Install Boxing Ensure boxing tray guards face punching bag. Item Description Qty. 1 Boxing Trays 2 Install Boxing weldment. Item Description Qty. 1 Screw, M10 x 1.5, 130mm 4 2 Spacer 4 3 Socket Nut 4 4 M10 Nut 4 5 3/8 Washer 4 6 Screw, M10 x 1.5, 140mm 4 7 Boxing Weldment 1 Tighten hardware to 20-25 ft-lb (27-33 Nm). Parent topic: Assembly