2.6 Home Line Fixtures Any Fixture that will be used in a TSL Facility must also adhere to the requirements in this section: 2.6.1 The location of all datum features must be adjustable with the use of shims and grind spacers. 2.6.2 The use of a solid 5mm grind spacers is required for all locating pins. 2.6.3 All grind spacers are to be measured after the fixture has been certified. The measured value is to be etched or stamped in a visible location on the holder. 2.6.4 Deviation from solid grind spacers requires authorization from TSL. 2.6.5 Minimum distance from the lowest point of the part to the fixture base is 250mm unless otherwise specified.