Supplied Parts List Screw Screw Screw Screw M3x8 (x4) M4x10 (x4) M5x10 (x4) M6x10 (x4) Washer Washer Washer Washer D4 (x4) D5 95x012 (x4) D6 (x4) M-F M-G M-H Washer Plastic Washer Allen Key D5 @5x010 (x2) D5 (x2) M-L (x1) M-J M-K Ceiling plate Arm A(x1) B(x1) Anchor W-B (x4) Washer W-C (x4) 2b .Concrete Ceiling Installation , If cables are hidden above ceiling, route cables through the large opening of ceiling plate-A. Mark drilling locations in ceiling.