Brand: FATH Item: Roll-in nut Series: 15 Series For Use With: All 1.5in and 3in profile T-slotted rails Material: Zinc plated steel Color: Silver Quantity per Pack: 10 Manufacturer Part Number: 09602U8-32F Thread Size: 8-32 UNC Slot Size: 8 FATH roll-in nut, silver, 8-32 UNC, zinc plated steel, slot size 8. Package of 10. For use with all 1.5in and 3in profile T-slotted rails. Manufacturer part number: 09602U8-32F.