... ring Hair accessories: hair connetor,ultrasonic hair connetor,extension rings,silicone extension rings, needles,shrinkable tubes,hair extension slice,glue gun,glue ... assemhling machineGlue-gun, Fusion connector Iron, Hair Extension Iron Micro Rings, Extension tube Size: 3. 00mm, 3. 50mm, 4. 00mm, 4 ... size Pulling Needle: Small/medium/big size Copper micro rings Size: 3. 0*6. 0mm 2. 7*6. 8mm 2. 5*5 ...