Indasa HT Line Rhynogrip 6" Ultravent Multi-Hole Sanding Discs, 8660 Series Knee Pads If existing coats of varnish

If existing coats of varnish are intact

New and improved to offer longer lasting working lifetime and consistent finish

Blue cotton cloth flexible backing

Mirka 3" x 5" 54-Hole Grip Backup Pad (935GV) features is for use with Mirka MR-35SGV sander and fits 3" x 5" sized grip hook & loop sand paper

lightly sand the surface smooth with 400-500 grit paper

Indasa HT Line Rhynogrip 6" Ultravent Multi-Hole Sanding Discs, 8660 Series Knee Pads If existing coats of varnishProduct Overview: Indasa 6" HT Line (High Tech) Rhynogrip Ultravent Sanding Discs are a high performance abrasive that is revolutionizing the industry with advances found nowhere else, offering a wide range of applications from heavy duty sanding to micro fine finishing. The Indasa Ultravent vacuum hole pattern offers maximum dust extraction. Color change from white to red lets you know when abrasive disc working time is complete and time to replace,