Features: Wet and dry dual use, effective waterproof, quick and easy trim. Rounded comb teeth prevent scalp injuries, safe and comfortable to use. Allows you to cut hair to a uniform length just using one blade for all. Easy to use, simply attach comb to the base of the blade and pull up to secure. Compatible models: QC5510, QC5530, QC5550, QC5570, QC5580, QC5560 Specifications: Item Type: Guide Combs Material: Plastic Color: Black Size: Approx. 1, 1.5, 2, 2.5, 3mm, 5 gears adjustable Quantity: 1 piece Notes: - 1 cm = 10 mm = 0.39 inch - No retail packaging - Please allow 1-2 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. - Due to differences in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 x Guide Comb (other accessories shown in the image are not included)