Spring loaded tap guide, precision made in the USA. These tap guides are made from T-416 Stainless steel and the tips are hardened. We use a closed end ground spring that is also manufactured in the USA. The guide will fit in a 1/2 in chuck or collet. Free shipping in the US. Most of our products ship same day depending on order time, or next day. We do ship out side the US. Shipping rates will be applied at checkout.