These Testor economy sprue cutters are a must for all beginner and experienced modelers alike and they fit any size hand. Compact design allows the cutters to reach the smallest space and the sheer action cuts the parts off cleanly and repeatedly. Spring action opens the jaws as soon as the grip os relaxed redying the tool for the next cut. Durable stamped steel frame allows precise alignment of the jaws and years of trusted use. Not designed to cut wood, brass, aluminum or metal.