- VX skate wax from SML Wheels * Size: 3" * Ideal for curbs and ledges * Collectible * Purple colourway The VX skate wax from SML Wheels is 3" in size and ideal for curbs and ledges for that easy slide and grind. This skate wax can also be for your collection as it comes in a fun design. This skate wax comes in a purple colourway.