- C50L Collar Standard Steel 1/2" (12.7mm)
- C50L Collar Standard Steel 5/8" (15.9mm)
- C50L Collar Standard Steel 3/4" (19.1mm)
- C50L Collar Standard Steel 7/8" (22.2mm)
- C50L Collar Standard Steel 1" (25.4mm)
- C50L Collar Standard Steel 1.1/8" (28.6mm)
- C50L Collar Standard Steel 12.7 mm (1/2")
- C50L Collar Standard Steel 15.9 mm (5/8")
- C50L Collar Standard Steel 19.1 mm (3/4")
- C50L Collar Standard Steel 22.2 mm (7/8")
- C50L Collar Standard Steel 25.4 mm (1")
- C50L Collar Standard Steel 28.6 mm (1.1/8")
