↑ Set 708-713: CMI Hexachocks

• Made in USA [ca. 1976].
• Anodized aluminum alloy.

↑ 708: CMI Hexachock; #630

• Made in USA [ca. 1976].
• Size: 12.5x18 mm.
• Weight: 4 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" on one upper face and "630" on the other upper face.

↑ 709: CMI Hexachock; #630

• Made in USA [ca. 1976].
• Size: 16x23 mm.
• Weight: 10 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" and "640" on one upper face.

↑ 709: CMI Hexachock; #630

• Made in USA [ca. 1976].
• Size: 19x28 mm.
• Weight: 12 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" and "650" on one upper face.

↑ 711: CMI Hexachock; #660

• Made in USA [ca. 1976].
• Size: 25x37 mm.
• Weight: 25 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" and "660" on one upper face.

↑ 712: CMI Hexachock; #670

• Made in USA [ca. 1976].
• Size: 31x47 mm.
• Weight: 47 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" and "670" on one upper face.

↑ 713: CMI Hexachock; #680

• Made in USA [ca. 1976].
• Size: 38x56 mm.
• Weight: 72 g.
• Anodized aluminum alloy.
• Stamped with "Cmi" and "680" on one upper face.