5 mm), 1/2 inch (13 mm) This kit has everything you need including step-by-step instructions and beard trimming accessories to help give you the look you're after.5 mm), 7/16inch ( 11. This quality and durable trimmer comes with a 3 year limited warranty and 60 day money back guarantee. This trimmer is rechargeable cord/cordless power, which means you can use with or without the cord.