Details: Great Planes Brass Threaded Insert 10-32 (4) Great Planes Brass Threaded Inserts (10-32). Don't get the brass out but get them into your model plane hobby project. Make sure everything mounts securely with these perfect threaded inserts. FEATURES: Brass construction The perfect way to put threads into wood and mount engines to wood mounting rails. Threaded inserts make a simple & effective way to make wing hold downs. Can be used where blind nuts are hard to fit Comes in a Parts-Pak clear plastic box with resealable lid One year quality guarantee INCLUDES: (4) Threaded Inserts REQUIRES: ¼" Drill Size Epoxy (GPMR6042) Standard Slotted Screwdriver (-) SPECS: Thread Size: 10-32 Length: ½" Diameter: 19/64" OD overall 15/64" OD of main body COMMENTS: Package says it threads into a 3/8" hole. But it threads into a ¼" diameter hole that is ½" deep.