They won't stop what you attach them to from cutting. There are rather soft plastics such as polyethylene or HMPE. I can't say they are rubber.
20-Piece FurniMate Non Slip Furniture Pads 2", Anti Slip Grippers, Self Adhesive Square Rubber Floor Protectors For Hardwood Wood Floors In Case
42 Review
64PCS Clear Cabinet Door Bumpers Pads For Sound Dampening, Cabinets, Drawers, And Picture Frames - Adhesive Rubber Silicone Pads
43 Review
Non Slip Furniture Pads -16Pcs 3ββ Furniture Grippers , Non Skid For Furniture Legs,Self Adhesive Rubber Feet Furniture Feet, Anti Slide Furniture Hardwood Floors Protectors For Keep Couch Stoppers
42 Review
38-Piece Non Slip Furniture Pads Grippers For Hardwood Floors - Self Adhesive Rubber Feet, Anti Slide Protector To Keep Couch Stoppers In Place
35 Review
Pack Of 1 Natural Wood Color 8 Ounce Bottle Gorilla Wood Glue
42 Review
Hemway Glitter Grout Tile Additive: Sand Gold Sparkle For Your Bathroom, Kitchen And Wet Room Tiles - Easy To Use And Temperature Resistant!
10 Review
Eco-Friendly Solarez UV Cure Grain Filler & Sealer - Perfect For Fine Furniture, Guitars, Pool Cues And DIY Woodworking!
10 Review
32Oz Gorilla White Waterproof Patch & Seal Liquid For Effective Sealing (Single Pack)
30 Review