3M General Purpose Sandpaper comes in a variety of minerals and a wide grit range. Ideal for painted surfaces, bare wood, and metal. Sheets can be cut to fit hand sanding, on a sanding block, or a power tool sander.
3M 09016, General Purpose Sanding Sheets 9016NA-CC, 3-2/3 in x 9 in, Medium grit, 7010293044, 6 per pack
$3.88
Factory Stock, 7-10 Day Leadtime, Priced Per Pack
3M Sandpaper comes in a variety of minerals and a wide grit range. Ideal for painted surfaces, bare wood, and metal. Sheets can be cut to fit hand sanding, on a sanding block, or a power tool sander.

Dynabrade 78600 3/8" Dia. x 2" W x 1/8" Center Hole, 120 Grit, 100/pack
3M 14972, Microfinishing PSA Film Disc 268L, 9 Mic, Type D, Light Blue, 5 in x NH, Die 500X, 7100016734, 500 per case 
