The Carlyle Cphs01 Self-locking Hose Clamp Pliers are a specialized hand tool designed for securely attaching and removing hose clamps. With its self-locking feature, these pliers provide a secure grip on the hose clamp for easy installation and removal. Manufactured by Carlyle, a trusted brand in automotive tools and supplies, these pliers are built to last and ensure a reliable performance for various automotive maintenance tasks. New unopened package plus free shipping