Draper expert wheel chock for less than 920mm dia wheels draper expert 12271 b i expert quality i b for stabilizing hgvs whilst parked manufactured from anti slip non sparking highly visible weatherproof heavy duty hdpe plastic sold loose br br b conforms to din 76051 d53z and complies with adr regulations b br br draper expert 12271 wheel chock for larger than 920mm dia wheels