↑ Set 211-213: Metolius TCUs #0–#2

• Made in USA [ca. 1994].
• Smooth cam faces

↑ 211: Metolius TCU #0: 16 mm.

• Made in USA [ca. 1994].
• Smooth cam faces

↑ 212: Metolius TCU #1: 20 mm.

• Made in USA [ca. 1994].
• Smooth cam faces

↑ 213: Metolius TCU #2: 25 mm.

• Made in USA [ca. 1994].
• Smooth cam faces

↑ Set 544-545: Metolius TCUs #1–#2

• Made in USA [ca. 1996].
• Toothed cam faces

↑ 544: Metolius TCU #1: 20 mm.

• Made in USA [ca. 1996].
• Toothed cam faces

↑ 545: Metolius TCU #2: 25 mm.

• Made in USA [ca. 1996].
• Toothed cam faces

↑ Set 546-551: Metolius TCUs

• Made in USA [2003–2003].
• Anti-reversal cams with toothed faces.

↑ 546: Metolius TCU #00: 14 mm.

• Made in USA [2004].
• Anti-reversal cams with toothed faces.

↑ 547: Metolius TCU #0: 16 mm.

• Made in USA [2004].
• Anti-reversal cams with toothed faces.

↑ 548: Metolius TCU #1: 19 mm.

• Made in USA [2004].
• Anti-reversal cams with toothed faces.

↑ 549: Metolius TCU #2: 24 mm.

• Made in USA [2004].
• Anti-reversal cams with toothed faces.

↑ 550: Metolius TCU #3: 28 mm.

• Made in USA [2004].
• Anti-reversal cams with toothed faces.

↑ 551: Metolius TCU #4: 35 mm.

• Made in USA [2003].
• Anti-reversal cams with toothed faces.