Threaded Adaptor Compatible Table Hole Size 5/8 in Compatible With Buildpro Welding Table Features (2) Threaded Holes with One Magnet Convert Any Hole into a Threaded Hole Includes Magnet Overall Length 3 in Product Type Threaded Adapter Thread Size 3/8 In.-16 Work Surface Pattern (2) 3/8 in-16 Threaded Hole Magnet for Mounting