[6S-19: 2-sided format: 19mm]
[6S-38: Two-sided: 38mm]
[6S-50: Two-sided: 50mm]
[6S-21: Two-sided: 21mm]
[6S-29: Two-sided: 29mm]
[6S-26: Two-sided: 26mm]
[6S-32: Two-sided format: 32mm]
[6S-22: Two-sided: 22mm]
[6S-35: 2-sided format: 35mm]
[6S-41: 2-sided format: 41mm]
[6S-17: Two-sided: 17mm]
[6S-36: 2-sided format: 36mm]
[6S-23: Two-sided: 23mm]
[6S-18: Two-sided: 18mm]
[6S-24: Two-sided: 24mm]
[6S-30: Two-sided: 30mm]
[6S-27: Two-sided format: 27mm]
[6S-46: 2-sided format: 46mm]
Standard type hexagonal shape It is resistant to sludge even after inserting.