HIGH QUALITY MATERIAL - These furniture bolts and nuts are zinc plated carbon steel for durability and rust protection. SAFETY AND STABILITY - Once hex head bolts are installed, they are fixed to the connecting material in a stable way, without the risk of displacement. 5 DIFFERENT LENGTHS - There are 5 different lengths of these M6 bolts that you can choose for your project and each set includes 10 bolts and nuts. Length: 40mm, 60mm, 80mm, 90mm, 100mm. WIDE APPLICATION - Bolts and barrel nuts for joining wood, boards, kitchen worktops, cabinets, cupboards and various other furniture PERFECT REPLACEMENTS - Well constructed solid fastener, also a great replacement for industrial and construction fasteners.