The Stanley 10-778 FatMax retractable knife comes with 5 FatMax blades and has an instant blade change mechanism. There is a blade clamp for heavy-duty applications and a push button blade door release for quick and easy blade change.
An auto rise blade storage holder even presents a single blade for changing and there is a blade wiper to remove debris from blade.
The thumb pad (for comfort) and ergonomic cutting angle make it ideal for flooring applications.