Square head 14 - protrusion 10 mm - use tapered punch BOUT1
For competition, soft ground. Shoe thickness 8 or 10 mm. Square head 14 mm wrench, protrusion : 10 mm out of the shoe. Tapered shank with big diameter 9.5 mm. Drill Ø 8.5mm and use tapered punch ref. BOUT1. Weight 17 g.