SIASPONGE BLOCK SOFT FINE YELLOW PACK OF 10PC T/Tool Insert Type 1/2 Inch 5PC Set What are the cutting edges

What are the cutting edges made from

Equipped with 135° split point for fast penetration and accurate hole starting without the need of a center punch

Indexable insert design helps reduce tooling costs

it separates larger debris into the drum before it reaches the collector

Bearing 3: 7/8" x 3/16"

SIASPONGE BLOCK SOFT FINE YELLOW PACK OF 10PC T/Tool Insert Type 1/2 Inch 5PC Set What are the cutting edgesThe SiaSponge Block Soft Fine Yellow 10PK is designed for smooth, controlled finishing on wood, paint, and primers. Built with long lasting sia Abrasives foam and coated with aluminum oxide on all four sides, these sanding blocks deliver a fine, even scratch pattern for professional results. The yellow color coding clearly identifies the soft fine grit range, so you always select the right sanding stage. The flexible foam core adapts easily to edges,