Specification: Hair extension ring
Packaging: Bottle
Packaging requirement: 1000PCS/bottle
Color: Dark color, bright color or as your requirement
Usage: Matching with micro pliers and micro needles used for hair elongation
Size: 3.5 x 2.0 x 2.5mm (diehead threading/no threading)
4.0 x 2.7 x2.7mm (diehead threading/no threading)
4.5 x 3.0 x 3.0mm (diehead threading/no threading)
6.0 x 4.5 x 4.5mm (no threading)
4.5 x 3.0 x 6.0mm (no threading)
Numbering rule: Outer diameter x inner diameter x length (unit mm)