Brand: FATH Item: Miter connector Series: 15 Series, 30 Series and 40 Series For Use With: All 1.5in, 3in, 30mm, 40mm, 60mm and 80mm profile T-slotted rails Material: Steel Color: Silver Manufacturer Part Number: 099GV0890 Angle: 90-degree Thread Size: M8-1.25 Number Of Holes: 4 Slot Size: 8 FATH miter connector, silver, 90-degree, 4 holes, M8-1.25, steel, slot size 8. For use with all 1.5in, 3in, 30mm, 40mm, 60mm and 80mm profile T-slotted rails. Manufacturer part number: 099GV0890.