Color-coded and easy to snap-on stainless-steel attachment guide comb offers a #3, 3/8-inch / 10 millimeter cut length with a blue color
For best results, use on oneisall's #30 Ultimate or #30 Competition Series Blade, and can also be used with a #15 or #10 sized blade Not recommended to use with oneisall's #40 Ultimate or Competition Series Blade
Other attachment guide combs available separately with different cut lengths to complete the set, including: 3/8-inch, 1/8-inch, 1/4-inch.