Kango 148mm Collated Fastener Bits are suitable for PH2 screw and fastener applications. The 148mm length on these Fastener Bits delivers more reach and a better line of sight for driving extra-long fasteners. The re-engineered tip ensures precision fitment for minimal cam-outs and less rounded screws. With a ¼” hex shank, these Fastener Bits can be used with collated fastener guns, drills, and drivers.