specification: Item Type: Hair Extension Kit_x000D_Material: Silicone + Aluminum + Composite Wood_x000D_Color: Black_x000D_Ring Outer Diameter: Approx. 4.5mm/0.18in_x000D_Plier Length: Approx.12.5cm / 4.92in_x000D_Long Needle Length: Approx. 21.9cm/ 8.64in_x000D_Short Needle Length: Approx. 14cm / 5.51in_x000D_Specification: 4 Pieces Set_x000D_Application: Used for ring hair extensions, making various wigs and various hair extensions Features: 1The soft silicone ring is very suitable for feathers and hair extensions without damaging the hair. 2The hair extension ring can hold the hair tightly and will not slip off easily when wearing it. 3Specially designed plier for hair extension is very easy to use, and the micro ring can be easily removed by it. 4Hook needle with wooden handle is used to pull natural hair through tiny beads to extend hair. 5Loop needle is used as a threader, it can easily pull the hair through the micro ring without pulling the hair. PackageList: 500 x Ring 1 x Loop Needle 1 x Plier 1 x Hook Needle