NO BELT required! The ZERO Clip was designed to be minimalistic and tuck-able while providing an extreme bite on board shorts to Khakis. You can carry with increased confidence knowing that you have retention and security when you need it the most 100% guaranteed or your money back. The hole sizes for our clips were designed to work with most other sheaths and holsters on the market. Tier-1 Designed, Developed, and Made in the USA!