The KS15 is similar to the DW7 in nature, but has some subtle difference.  Mainly it has a slight larger barrel 2 1/2" and has a more gradual taper to it's large, but not as large knob.  All bats are -2,-3 weight ratio

Handle - 15/16"

Barrel - 2 1/2"

Knob - 2 3/16" 

Ink Dot Certified

Cupped End

-2,-3 Weight Ratio