A boss head in the square pattern. Die-cast in black finish, with metal thumb screws. Accepts square sections or rods up to 16 mm diameter. It will also hold flat items such as rulers, magnets, drawing boards, optical screens etc. Dimensions: approx. 55 x 55 x 50 mm.
A boss head in the popular pattern. Die-cast alloy in silver finish, with blue plastic thumbscrews. Accepts rods up to 16 mm in diameter. Dimensions: approx. 117 x 30 x 30 mm.
A boss head in the popular pattern. Made from high-grade zinc alloy, with non-toxic blue powder finish, and stainless steel thumbscrews. Accepts rods up to 16 mm in diameter.
A boss head in the square pattern. Made from high-grade zinc alloy, with non-toxic blue powder finish, and stainless steel thumbscrews. Accepts square sections or rods up to 15 mm diameter. It will also hold flat items such as rulers, magnets, drawing boards, optical screens etc.