Rated by speed on a scale of 1- 12 (12 being very fast). The Speed 7 Quantum Slider Discs (Black Poly-Ice) perform at a similar speed to 5/32" Teflon. The Speed 10 Quantum Slider Discs (Black Poly-Ice with Silicone) are similar to 1/4" Teflon.
- Sold in sets of 7
The Quantum sliders can be easily upgraded so you can get a faster slider when you're ready!