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Material: ABS.
Inner Diameter:
M3 (3.1 mm) / M4 (4.1 mm) / M5 (5.4 mm) / M6 (6.2 mm) / M8 (8.2 mm)
Outer Diameter:
M3 (7mm) / M4 (7mm) / M5 (9mm) / M6 (11mm) / M8 (14mm)
Spacer Length:
2mm-25mm