This polished keychain comes with a handy feature that makes opening the key ring easier. The opening aid is situated in the oval area of the keychain, where the key ring is attached. To open it, just insert the small, pointed tool between the carabiner hooks. This makes attaching keys effortless and saves your nails. Additionally, with a laser engraving, the keychain becomes a sophisticated and high-quality promotional item.- Split Ring: Ø 33 mm