Westinghouse Lighting Corp Motor Screw, Brass, 10-Pack Use to install fan blade arms to motor housing Compatible with Phillips or flat head screwdriver Brass finish Includes 10 screws and washers Easy to install Use to install fan blade arms to motor housing Brass finish Includes 10 screws and washers Easy to install 10 Pack Brass Finish Motor Screw For Mounting Fan Blade Arm To Motor Housing /2" 1/4"-20 Screws 1/4-20 Means 1/4" Diameter With 20 Threads Per Inch