The Rolyan Semi-Circular Peg Board is a finger, hand, and arm exerciser designed for use with individuals with hand injuries, neurological involvement, or orthopedic injuries. Positioned on a table or mat, the peg board can be used to increase upper extremity range of motion, strength, coordination and endurance, and to improve cognitive and visual skills. The plastic board consists of three semi-circular tiers that hold 43 pegs. All parts are plastic and washable. DIMENSIONS (LxWxH): The board measures 26 x 14 x 2 inches. The pegs are .25 inches, .5 inches and 5/8 inches in diameter, and each diameter peg comes in a height of 1 inch and 1.75 inch.