Grabber® modified truss head fine thread screws are designed for light gauge metal framing applications where a low profile head exposure is desired. Attaches metal lath to wood or to 25- to 20-gauge steel studs and framing. The right screw for K-lath installation. Use a standard screw gun with a depth-sensitive nose piece. Suggested screw gun specification for optimal performance - 4 amps minimum and RPM range of 0 to 4,000.