This telescopic teacher pointer is a good helper for teachers. It can be used to give instructions on black boards, boards, whiteboards, presentation screens, bulletin boards, etc. It can be used not only by teachers but also in offices and outdoor activities. Advantage Durable Material: Its handle is made of stainless steel, which is not easy to rust and deform and has a long service life. There are non-slip matte pads on the handle, allowing you to hold it steadily and not easily slip off. Telescopic Handle: Its handle has three retractable springs and is adjustable. You can adjust the length according to the different heights of the blackboard; it is also convenient for storage. Obvious Shape and Color Design: Its top is designed in the shape of a finger with bright colors to better focus ones' attention. Instruction Extend to appropriate height before use. NOTE Please note the size of the product before purchasing.