<ul><li>Type: Screw Thread Micro Rings</li><li>Quantity: 250 pcs</li><li>Color: Light Brown</li><li>Size: 4mm diameter</li><li>Length: 3mm</li></ul><br><br>The rings are flexible soft metal with a coating of color. These rings feature a grooved inside, like a screw. Screw thread/Groove Micro Rings also known as Links or extend tubes Micro Links for used with stick shape/I-shape Pre Bonded extension hair. Cause each ring features a screw like groove on the inside, it provide the extra security and hold than other regular rings and tubes. These rings/tubes method is also attached with a needle and pliers, same step as when you use micro rings. It is so easy to close and easy to open. Needle and pliers are also available on request.

250 PCS 4 mm Light Brown Color Screw Thread Micro Ring Beads Locks for I Tip Stick Feather Human Hair Extensions