Antiskid device for vehicle wheels

Antiskid device (1) for vehicle wheels, in particular for the use on snow and ice, comprising a first plate (11) provided with means for fixing said plate (11) to the rim (71) of the vehicle wheel and a second plate (31) that can be mounted against said first plate (11) by means of rapid fixing means (51) and that embodies a plurality of sunburst-arranged and radially adjustable arms (35), said arms being folded at their most exterior end (35a) so that they overlap at least partially with the tread (73) of the tire (75) and being provided, in correspondence of said folded end, with means (39) for increasing the grip with respect to the surface met by the wheel during the vehicle ride.