Brand 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. Applicable model: QC5510 QC5530 QC5550 QC5570 QC5580 QC5560 Specification: Item Type: Guide Combs Material: Plastic Color: Black Size: approx. 1-1.5-2-2.5-3mm, 5 Gears Adjustable Quantity: 1 pc Note: Transition: 1cm = 10mm = 0.39inch No retail package. Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before purchasing. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Guide Comb (other accessories shown in the picture are not included)