The pointer stick is a professional telescopic electric whiteboard educational pointer and guide flag pole, perfect educational tool for traditional chalkboards, electric whiteboards, PPT, display screens. Telescopic pointer features stainless steel rod, high quality brushed metal handle, and conductive plush tip. It is durable and rust resistant so you can use it for a long time. The plush tip won't scratch the screen or whiteboard and is also suitable for touch screens. Compatible with a variety of devices, the luxurious conductive nib design makes it compatible with most touch screen devices, such as smart boards, tablet computers, cell phones, and more without damaging the screen. 5 SECTION SHAFT DESIGN - Each section of the presentation pointer closely, stable and wobble free, flexible to adjust the length you need (Note: 5 sections rods make up the position of the handle). SIZE - Teacher pointer extension length is 46.3cm/18', shrink length is 14cm/5.5'.