The Mike Balter 92B Marching Keyboard mallets feature a 1 1/8" hard lexan head and birch shaft.The Unwound Series consists of various oval shaped rubber, wood, metal, and plastic heads to supply multiple timbres and dynamic levels. Designed for response, clarity, control and sensitivity. Satin birch handles.Color: LexanHardness: HardHead Diameter: 1 1/8"