Simpson ECCQ7.1 7.1SDS25 End Column Cap w SDS Screws Gray Paint , Made to Order Non Returnable 15 Degree Plastic Coil Fencing Siding Nails Made in the USA: This Made in the USA: This ITW Red Head Tapcon screw is proudly manufactured in the United States These nails come in 31 34 degree paper tape collation which are compatible with most 31 34 degree power paper siding nailers Performance: Certified welds for strength and loading with increased uplift loads for earthquake or wind loading Connection Type: Provides strong end of beam connection for column to beams and the extended area of the column seat offers additional surface area of bearing to distribute the load