- C6L Collar Standard Steel 3/16" (4.8mm)
- C6L Collar Standard Steel 1/4" (6.4mm)
- C6L Collar Standard Steel 5/16" (7.9mm)
- C6L Collar Standard Steel 3/8" (9.5mm)
- C6L Collar Standard Steel 4.8 mm (3/16")
- C6L Collar Standard Steel 6.4 mm (1/4")
- C6L Collar Standard Steel 7.9 mm (5/16")
- C6L Collar Standard Steel 9.5 mm (3/8")
