Parts Hamax skid Sno Formel Steering Skis 1pcs HAM807066 Interchangeable snow skid Hamax fits Hamax Sno Formel sleds. Technical specs:· 1 skid (right or left sent randomly) · compatible with skiing sleds Hamax Sno Formel (red - 503431, blue 503412)· material: resistant cold high density polyethylene· length: approx. 43 cm· width: approx. 11 cm