Perfect for joining handrails to fittings and newel posts as well as general woodworking applications. For anyone who has ever assembled a staircase, the time saving benefits alone will amaze you! The Open Channel diecast housing allows you to drop the housing over the shaft for easy thread engagement even if the accommodating hole is bored too deep Once engaged using a hex bit with power or an Allen key, it is easy to tension the Railbolt. Also see 40.520 7mm Deep Socket Tool for screw shaft installation. Comes with red oak plugs only. For white oak plugs, visit here.  Installation Instructions