A handle for a shaving razor adapted to releasably engage with a razor cartridge. The handle includes a handle body, a support, a pair of arms movably mounted on the support and adapted to engage the cartridge when the arms are in a lock position, and to disengage the cartridge when the arms are in a release position, each of the arms extending in a forward direction. The support further includes a pair of arcuate guides and the arms are slidably mounted along the arcuate guides, such that the arms are turned toward and away from the lock position when sliding along a forward/backward direction. The arms are driven by a driving member, which is slidably mounted on the support between the arms.