[3S-12: Two-sided: 12mm]
[3S-07: Two-sided: 7mm]
[3S-19: Two-sided format: 19mm]
[3S-09: 2-sided format: 9mm]
[3S-11: Two-sided: 11mm]
[3S-24: Two-sided: 24mm]
[3S-18: Two-sided: 18mm]
[3S-5.5: Two-sided: 5.5mm]
[3S-08: Two-sided: 8mm]
[3S-15: Two-sided: 15mm]
[3S-21: Two-sided: 21mm]
[3S-10: Two-sided: 10mm]
[3S-17: Two-sided: 17mm]
[3S-23: Two-sided: 23mm]
[3S-20: Two-sided: 20mm]
[3S-14: Two-sided: 14mm]
[3S-22: Two-sided: 22mm]
[3S-16: Two-sided: 16mm]
[3S-06: Two-sided: 6mm]
[3S-13: Two-sided: 13mm]
Standard type hexagonal shape It is resistant to sludge even after inserting.