This kit includes two separate mounting applications for your convenience

 First
3 x 141FPAZ: 14-10 x 1 Flat Philips Tapping Screw, Zinc 

Second
3 x 14C114FPMSZ: 1/4-20 x 1 1/4 Flat Philips Machine Screw, Zinc
3 x 14CTN716B4PZ: 1/4-20 T-Nut 7/16 Barrel 4 Prong, Zinc