| CPC B65D 73/0014 (2013.01) [G01B 3/566 (2013.01)] | 22 Claims |

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1. A merchandise product comprising:
a combination square including a head having a blade receiving slot and a blade releasably received in the blade receiving slot;
a packaging card including
a retainer structure configured to retain the head to the packaging card;
a slot extending through the packaging card;
a retention member configured to pass through the slot and the blade,
wherein the retention member is configured to slide along a length of the slot and allow rotation of the blade about the retention member.
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