Digital 3-Point Internal Micrometer SetSeries 468These are three-point internal micrometers that offer you the following benefits:<ul><li>Interchangeable head set.</li><li>Titanium-coated measuring pins give you excellent durability and impact resistance.</li><li>They also have excellent resistance against water and dust (IP65 protection level), allowing you to use this product in machining situations that include splashing coolant fluid.</li><li>Large LCD display with character height of 7.5 mm enables you to read measurements easily.</li><li>With setting rings and extensions.</li></ul>