- Perfectly flat machined surface
- Hard surface tension
- Perfect flat sanding surfaces
- Flexible
- Patented
This block is designed for sanding and prep work. It allows for easy use and much improved durability and firmness. H-1/2", W-2 1/2", L-5 3/8". Finally a small scruff pad that isn't flimsy. A professional hand pad that you can really sand with. Its increased density above the original Dura-Block, allows for firm but contoured sanding.