They arrived broken. These are fairly thin pieces of plastic that are just wrapped in an envelope. I'm not too surprised they cracked.
๐ง General Tools 1261 4-2 Inch Grommet: Enhanced SEO-friendly Product Title
9 Review
Edward Tools Grommet Kit Rustproof
9 Review
๐ง General Tools 1261 2 Rustproof Grommet: A Durable Solution for Rust-Free Fastening
9 Review
๐ง Efficient Handheld Grommet Punching Machine by BIZOEPRO
10 Review