United Scientific Air Track Accessories, 200cm

United Scientific Supply This air track is constructed of high quality aluminum alloy and has the advantages of being both lightweight and highly durable Precision machining provides a smooth surface and high linearity It includes a comprehensive accessory package for experiments in linear motion The track length is 150cm or 200cm sizes, and it is straight to better than 01mm throughout Includes activity guide NOTE This item requires an air source, item QAS001-V, and a digital timer with photogates, item DTPHG1 (both not included) More detailed description available upon request - USS