?Easy to Install: Combs snap securely onto the blade for a reliable fit while you’re trimming. Each comb is designed to glide through hair quickly and efficiently for a smooth. ?Easy to Install: Combs snap securely onto the blade for a reliable fit while you’re trimming. Each comb is designed to glide through hair quickly and efficiently for a smooth. ?You will get 4 combs (1mm?2mm?3mm?5mm)Use the comb to easily trim in any direction. Go against the grain and shave off any length of hair easily on your body. ? Come With Four Szes: 1 mm, 2 mm, 3 mm, 5 mm. ? Fits For: Philip OneBlade QP2510, QP2520, QP2521, QP2522, QP2523, QP2530, QP2531, QP2620, QP2630, QP6505, QP6510, QP6520, QP6620.