uxcell 20 Pcs White Plastic Gear Worm Screws 6mmx8mm for RC DIY Model Toys Product Name : Gear Worm Screw;Total Size : 6 x 8mm/ 0.24" x 0.3" (D*L) Material : Plastic Color : White Net Weight : 3g Package Content : 20 x Gear Worm Screw