OverviewTrust the special gold aluminum oxide of this Hook and Loop Sanding Discs to quickly deliver a consistent finish even with long-term use.An open coat, water-based stearate and No-Fil coating greatly reduce loading, while the hook and loop back with long silk flannelette makes disc replacements easy, quick and not fall off when installed in use.With a flexible, fiber-reinforced C-weight latex backing that resists tears, this hook and loop sandpaper disc is ideal for dry hand sanding of auto body, paints and lacquers.Why is Gold more expensive than Red discsï¸Gold features an anti-clog coating resists clogging and pill formingï¸Gold features the selected and specially processed aluminum oxide abrasive which is NOT the same with Red, delivering much faster cut rateï¸Gold features a reinforced and flexible latex paper backing, which is MUCH MORE tear-resisitant and soft than the normal paper backing of Red, delivering much longer lifespan than Redï¸Gold also works well on Car while Red CAN NOT be used for auto bodyï¸Features of SATC Gold Sanding Discsï¸Anti-Clog Zinc Stearate Coating: Gold features a semi-open and special zinc stearate coating designed to resist clogging and pill forming, which helps achieve optimal sanding results and high efficiencyï¸Sharp Aluminum Oxide Abrasive: Made with sharp aluminum oxide abrasive which provides increased life, fast cut rate, consistent finishï¸Heavy Duty C-Weight Latex Saturated Paper Backing: Unique fiber reinforced, flexible C-weight latex saturated backing sandpaper allows you to sand contours and difficult-to-reach parts of your workpiece and helps increasing tear strength while retaining flexibilityï¸High Strength Resin Over Resin Bonding: High strength resin bond system provides superior grain support, resist heat and humidity for longer life. Never leave your furniture goldï¸Strong Fasteners and Easy Attachment: The heavy duty C-weight latex paper is bonded with cloth using long silk flannelette, which promises great sticking ability and makes disc replacements easy and quick, but will not fall off when installed in useWorks Well OnPainting Stripping RemovalPainting SandingLacquersPlaster / PuttyBody FillerPrimerVeneerPolyurethaneCompositesHard WoodMDF/HDFSoft / Resinous WoodPackage Included105 Pcs: 60/80/120/150/220/320/400 grit assorted, 15pcs of each grit