NTT1141 Features: * 250pc box of Fasteners * Long life tri seal coated for extra durability and resistance to pressure treated and extreme weather conditions * Pan head design can be easily concealed and prevents the installer from over drilling * Gimlet point allows for easy access into surface materials * Deep thread design pulls fastener tight * Two combo square / Phillips recess drive * 20 Gauge drilling thickness * Dimension: 3" H x 4" W x 3" D