Size:
4x0.6mm; about 2.8mm inner diameter
4x0.7mm; about 2.6mm inner diameter
4x0.8mm; about 2.4mm inner diameter
5x0.7mm; about 3.6mm inner diameter
5x0.8mm; about 3.4mm inner diameter
5x1mm; about 3mm inner diameter
6x0.7mm; about 4.6mm inner diameter
6x0.8mm; about 4.4mm inner diameter
6x1mm; about 4mm inner diameter
7x1mm; about 5mm inner diameter
8x1mm; about 6mm inner diameter
