Features: Easy to install and quickly put into use. Manufactured using high-quality, durable, and wear-resistant materials. Strict quality control ensures a perfect replacement for the original vacuum cleaner attachment. This replacement V-ball wheel assembly is designed to replace existing, damaged, or faulty wheels. Helps prevent irreversible damage to the direct drive cleaner head and lasts the lifetime of your vacuum cleaner head. Specification: These are V-Ball wheels, compatible with DC59, DC72, DC62, V6, V8, V8 Animal, SV07, V6 Absolute, V7, V7 Animal, V7 Absolute, V10, V10 Animal, V10 Absolute, V10 Allergy, V15, V11 Animal, V11, V11 Complete, V11 Extra, V12 Detect Slim, V12 Detect Slim Absolute, V12 Detect Slim Extra, V8 Absolute, and V7 Advanced vacuum cleaner 20W, 35W, and 50W direct drive cleaner heads. Color: Gray Material: Plastic Package Contents: 2 x Replacement wheels 2 x Fixings 2 x Screws 1 x Screwdriver Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm.