A locking drill guide is recommended with locking plates to ensure accurate, coaxial drilling for locking screws in orthopaedic surgery. Purpose & Function Threads into the locking hole of the plate Aligns the drill bit at the exact angle required for the locking screw Ensures the screw head locks correctly into the plate, creating a fixed‑angle construct Key Benefits Maintains fixed-angle stability Prevents cross‑threading and plate damage Improves screw–plate interface strength Essential for osteoporotic bone, comminuted fractures, and bridging techniques Sizes are designed to match screw hole size in the plates and drill bit sizes per below: