The control box lid O-ring is one of the most critical seals on your White's detector

5x4" waterproof DD

and iron audio settings

and impact that wear down the housing when you hunt rocky parks

or the Iron Check feature - a DD-coil capability that lets you audibly test whether that deep target is iron before you dig a two-foot hole

Minelab X-Terra Pro Armrest - OEM Replacement Part detector rod The control box lid O-ringThe official Minelab armrest for X Terra Pro detectors provides the exact comfort and support you need during extended detecting sessions. This genuine OEM replacement ensures a perfect fit without the wobble or poor ergonomics you'll get from aftermarket alternatives. Key Features Perfect fit guaranteed Official Minelab part designed specifically for X Terra Pro Enhanced comfort Reduces arm fatigue during long detecting sessions Durable construction