Sure-Grip Zombie 4pk
With Anodized Aluminum Hubs for durability, precision and response, Zombies are available in four durometers and three sizes so you can find the exact combination for your skating style and surface.
Purple 89a - for slippery surfaces or using as pusher wheels
Black 92a - for medium grip
Red 95a - for when you need a bit more slip
Green 97a - for extra grippy surfaces