Optical Bench Wooden plank 100cm long with scale lamp house 220v bulb 4 metal riders with 2 lens holder 2 pins Abron AP-838L

wooden Bed One meter long seasoned evenly top with scale in mms 4 metal base sliders include Out of four sliders two sliders are provided with transverse motion arrangement.4 metal accessories. (Two Metal Needle, One Lens Holder C shape One Lens Holder