IronMind CoC 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.

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