precision ruler comb (3 pack)perfect parts. every time. made for DIY braiders and professionals alike, these combs make styling faster, easier, and more consistent. built in ruler for even, consistent parts durable design for daily use sharp precision tip for clean parts because every great braid starts with precision and now youll always have a comb on hand. IMPORTANT: to avoid wear of the ruler feature, please avoid soaking the comb in disinfectant for long periods of time.