4PCS Replacement Heads Compatible with One – Blades QP2515 QP2520 QP6520
Applicable models QP210 QP220 QP230 QP2520 QP2530 QP2527 QP2533 QP2630 QP6520, OneBlade 25xx series, OneBlade 26xx series, OneBlade Pro 65xx series, OneBlade Pro 66xx series. – It can be used dry or wet with foam, even in the shower.