PrimeSource Building Products of Grip-Rite SpeedSpike is a 4 1/2-inch collated fastener engineered specifically for use in residential and commercial applications where high R-value insulated exterior sheathing is required by code or desired by the builder. Built to drive through OSB/plywood, and rigid foam in a single shot, SpeedSpike delivers full 2-inch stud embedment. The ring shank design ensures a secure grip and they can be installed approximately 5-times faster than hand-riven fasteners.