Solid brass cabinet connectore with a range suited to most sheet stock used in kitchen cabinets. Australian made. The 10mm diameter barrels are 29mm long offering a working range of 30 to 40mm and threaded internally 6mm.The M6 x 12mm nuts have a head diameter of 15mm with 12mm of M6 thread, are available separately and have numerous decorative and functional uses. The M6 threaded barrels can find uses with all M6 bolts and set screws.