Backboard Plastic HDX 10 Pins Yellow Magnifiers 5v handles * It averages Paper Towels 5v handles * It averages 120 minutes of on time between charging * It has the smallest diameter of any 3 and improved posture * Use as wobble or rocker board: 1 ball for wobble board 2 balls for rocker board * Level of difficulty is variable: 5 sizes of instability balls Larger ball is harder Color coded to difficulty Balls screw in out with ease * 3 sizes of platforms: smaller board is harder * Slots in platform fit band tubing: for full body exercise * Use hanging rack for compact storage: holds 10 balls and 4 platforms * * Pins are based on the top of the board and are used in conjuction with quick clip straps (model 7007B) * Size: 72 L x 18 W * Weight capacity: 500 Lbs 10 PINS * Yellow* A one piece seamless molded backboard that can be cleaned