GRK Fasteners T40 star drive insert bits are designed for use with Caliburn-XL screws. The star drive design provides multiple points of contact for a secure grip, virtually eliminating cam-out and stripping. Color-coded blue for quick size identification on the job site.

• Hardened steel construction for durability
• Star drive (Torx) T40 size
• Fits GRK Caliburn-XL screws
• Color coded: Blue
• 2" bit length
• 2 bits per card