A square section steel tube 25 x 25 x 430 mm for carrying out experiment in level gauging, basic scattering, absorption and particle deflection in magnetic field etc.There is a raise 40 cm scale graduate in millimeters along the front of the bench. There are also three magnetic moulded plastic bench mounts with a 3 mm slide slot to hold a range of absorbers or source holder. Two aluminium source holders are also provided, the large of which has a three collinear 4 mm holes to accept mounting pegs of standard sources. Complete with a full circular paper protractor and two bulldog clips.