Fasco SCPS1013FVEG 3" x .113 Fine Thread Versa Drive EG ScrailThe Fasco (Beck) SCPS1013FVEG, 3" x . 113, Fine Thread, Versa Drive Scrail is compatible with most 31 34 degree strip framing nailers. These plastic strip, 33 degree fasteners combine the versatility of a conventional nail with the holding power of a screw. Unlike conventional nails, however, these can be adjusted and removed after placement. Known as "The Faster Fastener," Scrails drive twice as fast as conventional collated screws and eight times