• Preferred material: high-quality silicone rubber, soft, heat and abrasion resistant. • 25 mm drill: made of high carbon steel, cutting spurs design for precise positioning. • Efficient cable management: keeps the desk clean and tidy, protects cables from sharp corners. • Easy to install: drill 24.5 mm holes, insert grommets and organize cables. • Multiple uses: ideal for computer desks, office equipment, and other workplaces.