redwood deck sanding

Tools I use for this project:

1, HIRETECH Orbital Floor Sander: 4 1/2 in x 15 3/4 in Abrasive, Adhesive-Backed, Fixed Speed

2, Deck and Floor Sander Finishing Pad 4-1/2 in. x 15-3/4 in.

3, 4-1/2 in. x 15-3/4 in. 40-Grit PSA Sanding Sheet for Hiretech HTF Sanders