Rollerblade BLANK TB-64 FRAME TB64 (1PR) - SaleTested and developed by the Blank pro street and park team riders, the TB 64 frame fits any street or park skate with Universal Frame System (UFS). The H block and sidewalls were designed to allow for better grinding, balance and lower center of gravity with both flat (all 4 wheels touching, max 4x64mm) or anti rocker (two small grind wheels in 2nd and 3rd wheel positions) wheel set ups. Includes: (8) axles, (4) frame mounting bolts, and (4) T nuts.