6d hair extensions machine kit 10 row has the advantage of small buttons, but the disadvantage is that there are too many interfaces and too dense; the advantage of 5 row is that the interface is half less than the 10row interface, and the interface spacing is more reasonable and the customer experience is better.Product description：Material: Stainless SteelWeight: 762gPackage Includes:1 Piece Hair Extensions Connector1 Piece PliersFEATURES:1.More faster, more efficient, quickest, and can be fully filled in 20 minutes for a full head .2.Delivery and dismantling more comfortable and convenient.3.Invisibility effect is better, 1.7mm connector is more hidden and lifelike.4. carefully polished, retaining the original texture,work very well, durable,easy to use.Good materials and sound workmanship.5. with stainless steel construction, from the tension spring, handle, especially the extension groove are precisely constructed.6.Can really remove the hair without residue. It is easy to operate and easy to handle.It saves cost and time.