Pro-Twist's #6 x 2-1/4 in. Square-Drive Trim-Head Fine-Thread Sharp-Point Black-Phosphate Drywall Screws feature a square-drive recess that minimizes cam-out and improves torque transfer during installation. The 2-1/4 in. length provides extended reach for securing thicker trim pieces, jamb extensions, and layered assemblies. Designed for consistent drive performance and controlled countersinking, these screws help maintain tight, secure joints while supporting professional-grade results in remodeling and interior construction projects.