![What is this round metal thing? It is hard and a little smaller than a penny. It has holes and red stuff around the edges. On one side there is yellow glue What is this round metal thing? It is hard and a little smaller than a penny. It has holes and red stuff around the edges. On one side there is yellow glue](https://preview.redd.it/what-is-this-round-metal-thing-it-is-hard-and-a-little-v0-sgjqir670zib1.jpg?width=640&crop=smart&auto=webp&s=2a6435e0a4f4db7cdcedde6ec7a97f601a275691)
What is this round metal thing? It is hard and a little smaller than a penny. It has holes and red stuff around the edges. On one side there is yellow glue
![Vintage. An old hardware store with various metal objects. Depicted chains, staples, hooks, clamps, metal utensils and other metal stuff. Items are suspended from the ceiling and placed on the walls. Photos Vintage. An old hardware store with various metal objects. Depicted chains, staples, hooks, clamps, metal utensils and other metal stuff. Items are suspended from the ceiling and placed on the walls. Photos](https://as2.ftcdn.net/v2/jpg/02/66/21/19/1000_F_266211960_t9FdIaCnYnjZtEtLZpCaDHvdWXQNefNN.jpg)
Vintage. An old hardware store with various metal objects. Depicted chains, staples, hooks, clamps, metal utensils and other metal stuff. Items are suspended from the ceiling and placed on the walls. Photos
![Travis Pond Recycled Scrap Metal Sculptures « Inhabitat – Green Design, Innovation, Architecture, Green Building Travis Pond Recycled Scrap Metal Sculptures « Inhabitat – Green Design, Innovation, Architecture, Green Building](https://inhabitat.com/wp-content/blogs.dir/1/files/2012/02/travis-pond-steel-pond-studios-scrap-metal-beast-1.jpg)
Travis Pond Recycled Scrap Metal Sculptures « Inhabitat – Green Design, Innovation, Architecture, Green Building
![Found this metal sphere in a box with some other stuff. Two parts that can screw togheter. Nothing inside but there is a bit of space. What could be used for? : Found this metal sphere in a box with some other stuff. Two parts that can screw togheter. Nothing inside but there is a bit of space. What could be used for? :](https://i.redd.it/bnizq6bpihg41.jpg)
Found this metal sphere in a box with some other stuff. Two parts that can screw togheter. Nothing inside but there is a bit of space. What could be used for? :
![Amazon.com: Metal-Puzzles 3D-Brain-Teaser Toys: Cool-Gadgets-Stuff Box Puzzles-Toy for Kid Children Teen Adult, ADHD Tools Stress Relief Gift for Office Home School Christmas Women Men Square-Cube : Toys & Games Amazon.com: Metal-Puzzles 3D-Brain-Teaser Toys: Cool-Gadgets-Stuff Box Puzzles-Toy for Kid Children Teen Adult, ADHD Tools Stress Relief Gift for Office Home School Christmas Women Men Square-Cube : Toys & Games](https://m.media-amazon.com/images/I/71ehHyVTdNL.jpg)
Amazon.com: Metal-Puzzles 3D-Brain-Teaser Toys: Cool-Gadgets-Stuff Box Puzzles-Toy for Kid Children Teen Adult, ADHD Tools Stress Relief Gift for Office Home School Christmas Women Men Square-Cube : Toys & Games
![Amazon.com: ATOPLEE Miniature Ball Bearings 100pcs 681ZZ Tiny Metal Ball Bearings Wheel Roller for Toy Model DIY Mini Stuff (1x3x1mm) : Industrial & Scientific Amazon.com: ATOPLEE Miniature Ball Bearings 100pcs 681ZZ Tiny Metal Ball Bearings Wheel Roller for Toy Model DIY Mini Stuff (1x3x1mm) : Industrial & Scientific](https://m.media-amazon.com/images/I/61TAqdaV2KS._AC_UF894,1000_QL80_.jpg)