20 Pcs 3 x 4 Inch 400-3000 Grit Sanding Sponge Set, Ultra Fine Sanding Sponges Pads, Soft Foam Hand Sander Block Wet Dry Sandpaper for Model Drywall Metal Wood Furniture Polishing sold2025 CLEAN AIR = HEALTHY LIFE

CLEAN AIR = HEALTHY LIFE - The Mars Wellness CPAP Filter Kit help keep your lungs clean

especially in tight spaces like cars

Suitable for Steel

Dimension of Base: 6×6×8mm Height of Pin: about 8mm Current: 50 mA

5D Comparison of recommended RPM on different steel Low-carbon Steel Hardness(HB): ≤180

20 Pcs 3 x 4 Inch 400-3000 Grit Sanding Sponge Set, Ultra Fine Sanding Sponges Pads, Soft Foam Hand Sander Block Wet Dry Sandpaper for Model Drywall Metal Wood Furniture Polishing sold2025 CLEAN AIR = HEALTHY LIFE20 Pcs 3 x 4 Inch 400 3000 Grit Sanding Sponge Set, Ultra Fine Sanding Sponges Pads, Soft Foam Hand Sander Block Wet Dry Sandpaper for Model Drywall Metal Wood Furniture Polishing Tonmp 20 Pcs 400 3000 Grit Sanding Sponge Set, Ultra Fine Sanding Sponges Pads, Soft Foam Hand Sander Block Wet Dry Sandpaper for Model Drywall Metal Wood Furniture Polishing Product Features 20 PCS Sanding Sponge Set included 4 each of 2000 3000 Grits 3 x 4 x 0. 2 inch Size