- Ball lock pins for clamping - Locking element - Materials : Body and button, nickel-plated steel . Spring, balls and retaining ring in stainless stell O-ring FKM - Working temperature: max 180°C Advantages - Allows tool-free locking or unlocking and without screws by simple pressing. - Saves time by avoiding the handling of tools. Infos - The specified forces apply only for use with the GAR-DLL sleeves. Accessories - Mounting sleeve GAR-DLL