Jr Barricade Team 2 - 3cm
Asics Gel Game 3 - 3.25cm
Breathe 2k12 - 3.45cm
Nike Vapor 9 Tour 3.6cm
Nike CB 4.3 - 3.85cm
Any one of these tools, assorted by accuracy.
Vernier Caliper $19 Instructions
Paper $0 Instructions
Digital outside caliper $35 0-5mm
Bar Clamp $8 Instructions
Shoes must have very little usage, as shoes lose cushion over time.