What is a single radius profile? A profile is the shape of the blade when seen from the side. Prosharp Profiling has been maximizing player speed since 1986. Prosharp Profiling focuses on four areas; acceleration, agility, speed, and stability. Basic Profiles will maximize these skating qualities making you a faster and more stable skater. After profiling is complete, blades are sharpened and made ready for the ice at no additional cost if selected at checkout.