Technical Information

Model number Inner diameter (mm) External size (mm)
SPN-40 0.40 0.50
SPN-35 0.35 0.45
SPN-30 0.30 0.40
SPN-25 0.25 0.35
SPN-20 0.20 0.30
SPN-15 0.15 0.25
SPN-10 0.10 0.20