298 manual belt tensioner:

For strips: 19-32mmx0.9mm (3/4~1-1/4 ' x0.035 ')

C3173 steel bit buckle: (iron handle, single bit buckle)

For strips: 32mmx0.9mm (1-1/4 ' x0.035 ')

C3171 steel bit buckle: (iron handle, single bit buckle)