16520 - Composer Instrument Panel The Sit Down Bracket Double R3.5 shall be precision cut and formed from 1/4" thick sheet steel and will have a multi-stage baked-on powder coat finish. The Composer shall be an assembly consisting of a plastic framework, metal tubing, and molded mallets. Contact Freenotes Harmony Park for complete technical specifications. The Mounting Blocks shall be two-part and precision die-cast from a high strength aluminum alloy and will have a multi-stage baked-on powder coat finish. PC-2985 - Rainbow Twist Climber The Rainbow Twist Climber shall be fabricated using 2.375" O.D. 11 gauge steel rails with welded 1.315" O.D. 12 gauge steel rungs. The Rainbow Twist Climber will be Powder Coated as specified. The Rainbow Twist Climber Leg shall be formed and fabricated using 2.375" O.D. 11 gauge steel tubing with welded 5/8" O.D. steel anchor. The Rainbow Twist Climber Leg will be Powder Coated as specified.