• Can Be Used To Fasten PROVA BOARD® PLUS Panels To Wood Stud Framing And Other Substrates Suitable For Screw Connections • To Be Used For Installation Of The 1/2” Thick PROVA BOARD® PLUS • Consists Of (80pcs) 1-5/8" Screws, (80pcs) 1-1/4" Washers • Mfg # TT8017FSN04