A professional who adjusts passing hollow (crescent-shaped notch) and sizes jewel-hole slots of pallets, using holding fixture and burnishing wheel. Responsibilities include:

• Locates pallet over hole in fixture.
• Pushes pallet into stop against v-shaped lap to adjust passing hollow.
• Holds pallet against carbide burnisher to size jewel slots according to specified width and depth.
• Turns fixture during burnishing to round walls of jewel slot.