Jackson Mark IV Ice Skating Blades - Model UB5 Size:8.75" Matrix is up to 33%

Matrix is up to 33% lighter than traditional blades

- enhances muscle elasticity for better performance and improves muscle recovery after exercising

it provides unmatched comfort

creating a lower displacement which greatly increases stability and control

The power generated by the skater is transmitted better to the blade

Jackson Mark IV Ice Skating Blades - Model UB5 Size:8.75" Matrix is up to 33%Our all purpose, high quality chrome blade, suitable for all beginner skaters. MARK IV BLADE MARK IV FEATURES AND BENEFITS: Straight cut picks Chrome finish Standard heel All purpose profile Freestyle usage 8' Rocker 1 2" Radius of Hollow Sizes 7" 12" (1 4" increments)