10 x 3 1/2 Inches. Ideal for decking and exterior wood projects. No pre-drilling. Tan color complements treated wood and cedar projects. Recommended for treated lumber. Limited lifetime warranty against rust and corrosion. T25. Free bit! No strip star drive. Countersinking nibs. Serrated threads reduce drive torque. Fast start self drill point prevents splitting. Lifetime guarantee. Limited lifetime warranty against rust and corrosion. www.P65Warnings.ca.gov; www.hillmangroup.com. See www.hillmangroup.com for product warranty information. Made in Taiwan.