The 68 is a universal channel clamp designed for mounting terminal blocks on standard steel channels. It is compatible with both single-tier and double-tier terminal block configurations, providing flexible mounting solutions across multiple series including the 100 Series (Miniature), 200 Series (Heavy Duty), 800 Series (Intermediate Heavy Duty), and other BUCHANAN terminal block families. The clamp is mounted using standard #10 screws and accommodates various channel types including standard steel channels (catalog number 60). This universal design eliminates the need for series-specific clamps, simplifying inventory management and installation procedures for industrial control panels and electrical distribution systems.