Attaches the bottom chord of a truss or rafter at pitches from 0:12 to 4:12 to double 2x4 top plates. Double shear nailing allows for higher lateral resistance. Installs with 8-8d x 1-1/2" and 2-8d slant nails to rafters and 8-8d nails to plates. 18-gauge galvanized steel.