Philips OneBlade replacement blades are compatible with all Philips OneBlade and Philips OneBlade Pro models. The cutting blades on the OneBlade shaving head move at 200 revolutions per second. This allows you to shave everything from stubble to a long beard in one stroke.Replacement blades per package: 3 Fits product type: OneBlade (QP25xx), OneBlad (QP26xx), OneBlade Pro (QP65xx), OneBlade Pro (QP66xx)