Product details:

The Tablet is an original Spitfire shape with a straight cut profile and thin riding surface. Lightweight, Quick and Responsive. Formula 4 is an unbeatable lasting performance Spitfire urethane. Fast, Long lasting, abrasion resistance, smooth anti-stick slide with a controllable grip. 101A Hardness, 53mm x 30mm.Lock in on those cross-locked 50-50s or fully on top of the coping with these Spitfires.
Asymmetrical shape and design featuring a conical cut profile opposite a straight edge side. Lock on in.
101a Durometer.
Lock In Shape.