Shure V-15 Type III Manual page 8

The chart at the right shows the unmistakable superiority of the V-15
Type Ill in the single most important measure of overall cartridge
performance: trackability.
In a top quality tone arm, the Type Ill effortlessly tracks the highest
modulated levels we have found in testing hundreds of difficult-to-
track, modern recordings.
The Type Ill enables you to use ultra-light tracking forces that will
significantly increase the life of your recordings and stylus tip.
Further, it will enable you to use the most advanced light-tracking
tone arms and precision turntables available, and to use the newer,
even more sophisticated turntables and arms now under development.