The cut-throat razor comprises a blade-holder (2) pivotably attached (4) to a handle (3), into which it is housed at closure. The holder comprises a rail (7) to which an interchangeable blade assembly can be temporarily secured. The blade (9) is permanently fixed in the assembly. The assembly may comprise an elongated member (8) into which the blade is housed with the cutting edge (10) projecting by 1mm. This edge is in one piece or uses two long pieces, between which the blade is clamped. The rail may have an internally winged U-section and may house onto assembly with the wings located by grooves (15). The rail is held on the assembly by a resilient catch e.g. Blades assemblies may be supplied in distribution and are held in place by catches at each end and are released by rocking, once gripped by the holder.
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