0º-360º, foldable, aluminium disk dia.120mm, 0.5mm thick. The width of the plastic piece is 14mm, altogether 4 plastic pieces with the length of 65mm, 90mm, 112mm and 127mm. The surface of the disk is smooth and no scratch, with clear silkscreen printing. No burrs on the plastic piece.

Maths Teaching Kit School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Angel Demonstrator Maths Teaching Kit used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Maths Teaching Kits for Engineering Teaching Lab in Universities