*#9-gaugex2-1/2"general construction screws Hand drive fastener for non structural wood to wood applications Made from steel for strength and durability *Grip-Rite 212GCS10BK #9x2-1/2"Star Drive Dual Flat Head Construction Screws feature a T17 point which means you won't need to pre-drill during construction. Designed for interior,wood to wood applications,the coarse auger threads reduce splitting and speed installation. The star drive reduces slippage and handles more torque than other designs. Yellow zinc coating combats corrosion and adds an attractive color to wooden construction applications. *Used for general woodworking and other interior applications High strength steel construction Yellow zinc coating for an attractive finish #9-Gaugex2-1/2"scre.