This unique shaft gives you increased stability, improved resonance and tone, and a beautiful appearance. The shaft playability is often compared to that of old-growth maple. The shaft is specially treated using a specialized curing and drying process that alters the characteristics of the maple giving it its unique caramel color and sweet smell while also removing any moisture and sugars making it lighter and more warp resistant. The shaft is extremely smooth and chalk resistant. This shaft is a playing shaft only, they are not intended to be used as a break shaft. The Jacoby KW Shafts are available in tip diameters 11.75mm and 12.75mm (+.2mm -.1mm). Other sizes can be specially ordered with a standard upcharge fee.