Product Description The product is LB 10x1.5 WHT SHT Screw. Easy and simple use kit. The product is manufactured in China.. Elegant design and finish. From the Manufacturer These self-piercing sheet metal screws are designed for joining thin pieces of metal to wood, fiberglass or metal primarily through a pre - drilled or own generated hole in light gauge metal. Great for general repair around the house. Self Piercing Screws penetrate metal and tap their own mating threads to eliminate the need for prepunched holes.