Copan offers a choice of two types of plastic disposable needles: Regular and Mini-Needles. The total length of the Regular Needle product is 20cm and it has a 1.45mm diameter needle shaft. Regular Needles have a much longer reach and a broader needle shaft in comparison with the Copan Mini-Needles. Mini-Needles can be used for more delicate operations, they have a more slender design and the needle shaft itself is narrower and more flexible than the Regular Needle. The total length of the Mini-Needle product is 15cm and the needle shaft has a 1.15mm diameter.