ENGINEERED FOR THE ULTIMATE FIT

Experience the absolute tightest fitment on fasteners, reducing stress and preventing rounding.

Exceptionally tight clearances.
Sockets and drives machined to exceptionally tight tolerances for a near-perfect fit.

 

TRO Titanium Plug Socket image shown for example:

Zero Play = more surface engagement means less stress on both the tool & fastener. They're also less prone to marring delicate fasteners.