This dog clipper blade hold a razor sharp edge that will endure prolonged use and more sharpening treatments Ideal for unmatted dogs and puppy cuts. • HT stands for height - Leaves hair 5/8" (16mm). • Carbonized steel extends edge life. • Chrome finish resists rust. • Fits all Andis detachable blade clippers in these series: AG, AGC, BDC, BG, DBLC, FHC, MBG, SMC