5/16 BSW x 1 1/2 A2 ST/ST HEX HD BOLT SHOBW0310150
5/16 BSW x 2 A2 ST/ST HEX HD BOLT SHOBW0310200
5/16 BSW x 3 A2 ST/ST HEX HD BOLT SHOBW0310300
from Kerridge Commercial Systems Ltd