Ordering ( Item availability may vary by region. ) Description Product number ( Item availability may vary by region. ) Description: OK 61.30 2.0x300mm Product number: 6130202030 Description: OK 61.30 2.5x300mm Product number: 6130252030 Description: OK 61.30 3.2x350mm Product number: 6130323020 Description: OK 61.30 4.0x350mm Product number: 6130403020 Description: OK 61.30 3.2x350mm 1/2 VP Product number: 61303230T0 Description: OK 61.30 4.0x350mm 1/2 VP Product number: 61304030G0 Description: OK 61.30 3.2x350mm 1/2 VP Product number: 61303230G0