Function: Can be used for glasses, sunglasses, watches, watches.A practical accessory for your toolkit 2 set Manual instruments:1 x box of stainless steel screws tool & 1 x hand drill and 24 x twist drill Screws are made of stainless steel & plastic. With high quality for use. For different types. The thread pitch is 0.5 mm. Hand Drill Set includes 1 piece Pin Vise and 25 pieces different sizes Mini Twist Drill Bits,which are Perfect for the Materials of Wood,Resin,Jewelry,Walnut,Amber,Beeswax,Olive Nut,Beads,PVC,Acrylic and Plastic,etc.This Hand Drill Tool is very Useful for Precise Drilling,Electronic Assembling,Tool Making,Model Making,Jewelry Engraving., Weight: 0.27337320488 pounds, Manufacturer: HWIREUIGT