great biology resource, Prepare your own slide specimens with this microscope slide making kit. The reusable glass slides can be used time and time again, providing excellent value. Includes 12 slides, 12 cover slips, and a storage box holding up to 25 slides
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg