The same blade design as the original Pattern 99, with exclusive Parabolic Blade taper. The innovative Parabolic Blade design delivers quicker cuts, exceptional edges and lightning-fast take-offs, dramatically improving footwork and edge jumps. Rocker: 8' Radius of Hollow: 7/16" Size Range: 7-12.5" Toe Rake Design: Straight Cut Blade Type: Parabolic