Where can I buy this in Calgary (1kg weight, etc..)

[RX_EVOLV]

Anyone know where I can buy these locally?

http://www.chemsultants.com/images/testing-devices/shear-weight-clips.jpg

http://www.chemsultants.com/images/testing-devices/shear-test-weights.jpg

[lint]

how accurate do you need them to be? Fischer Scientific sells them, but they're not cheap when they're used as standards
http://tiny.cc/vgvj7