WAHL Professional Animal Stainless Steel Attachment Guide Comb Detachable Blade Pet Clippers - #4, 1/4 Inch Cut Length (3372-100), Purple Durable Stainless Steel Comb: This clipper comb cuts to a 1/4 inch length for professional, easy dog, cat, and pet grooming Color-coded and easy to snap-on stainless-steel attachment guide comb offers a #4, 1/4-inch / 6 millimeter cut length with a dark purple color For best results, use on Wahl'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 Wahl's #40 Ultimate or Competition Series Blade Other attachment guide combs available separately with different cut lengths to complete the set, including: 1/8-inch, 3/8-inch, 1/2-inch, 3/4-inch, 5/8-inch, 7/8-inch, and 1 inch Backed by Wahl's 30 day satisfaction guarantee