Base plane. Elegant standard form. Sole with 2 mm bronze reinforcement, very precisely cut with 24 countersunk screws. Iron holder with 8 mm screw, metric thread 60° DIN 13/14 1.25, with perforated square head, 28x20x9 mm. Hole 12x7 mm. Bronze plate 45x19x3 mm embedded in wood with wing nut. The screw can only be removed backward.

Iron: 12 mm, pointed, 110 mm long, 12x6.5 mm