MAC tools RBRT bit set: a hard, thorough review & head to head with wera hex plus. We break stuff. - YouTube
NTD! RBRT Torx set. Primary use is to prevent a stripped/rounding problem. Notice the shape of the torx edges. The other thing just looked cool. Not sure how it will work. :
40-PC. 3/8" and 1/2" Drive Metric R.B.R.T.™ Hex Bit Set - SXVH40RBRT | Mac Tools