What different from Quick release spring bars and Regular release spring bars?

$Quick Release Spring Bars $1$.png$

Tool-Free: Quick release spring bars are designed to be easily removed and installed by hand, without the need for special tools.
Convenience: They often feature a small lever or button that can be pressed to release the spring bar from the watch lugs, allowing for convenient and swift strap changes.
Ease of Customization: They make it simple to swap out watch straps and customize your timepiece to suit different occasions or styles without requiring a watch tool kit.

Withstand heavy-duty use: Similar to Quick Release Sping Bars, this type is engineered to withstand heavy-duty use and prolonged wear and tear, making it a reliable choice for applications that require a more substantial and dependable fastening solution.
Available from 20mm to 26mm lug width.

Tool-Dependent: Regular spring bars typically require a spring bar tool for installation and removal.
Traditional Method: They are installed and removed by compressing the spring-loaded ends with a tool and then maneuvering them out of the watch lugs.
Widely Used: Regular spring bars are the traditional method for securing watch straps and are commonly found in most watches.