Provides a Strong Machine Thread In Hard Woods | Ideal For Use in Woods Like Oak, Cherry, and Maple | Designed For Use In Furniture, Cabinetry, Storm Windows and Tap Handles | Simply Drill the Appropriately Sized Hole and Install with Bolt/Jam Nut or Optional Drive Tool | Threaded Insert, Brass, Knife Thread, 10-24 Internal Threads, 0. 500" Length (Pack of 25)