Wahl’s Standard Adjustable Replacement Blades are for use on the Wahl U-Clip, Deluxe U-Clip, Pro Ion, Show Pro Plus, and Iron Horse clippers. The adjustable taper lever on the side of the clipper makes it easy to adjust to the desired blade size. Available in both a standard and an extra wide size that adjust between cutting lengths #30, #15, and #10. Need additional cutting lengths? Wahl has two Replacement Guide Comb sets that provide additional cut lengths that let you keep up to 1 inch of hair. The guide combs are easy to attach to your Standard Adjustable blades and glide effortlessly through coats, leaving a smooth finish and the length you need. Includes: Top & Bottom blade, 2 assembly screws, and blade oil.