Captains of Crush Key: Miles to Mils


GPS for your grip training

Know where you are and you'll reach your goal faster. Here's how you gauge the gap and track your progress--precisely.


  • Aircraft-grade aluminum
  • Steps of 2, 4, 6, 8, 10, 12, 14 and 16 mm, along with 19 and 54 mm measures
  • Overall length 2-1/8"

Captains of Crush gripper not included.

Gear Specs

Brand Ironmind
Made In USA Yes
Length 2.125"
Captains of Crush Key: Miles to Mils is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Lovely little object I've always loved beautifully crafted little objects so this is perfect for me. Its very finely crafted and it baffles friends who aren't into hand grippers. The lovely form follows its function.It has made me use my grippers a lot more as I now can battle against myself. Sometimes I just fiddle with it as its a nice weight. Anyway, a great product.
Date published: 2019-02-25
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