Chris Silva signature Pair Material: Heat Treated Chromoly, Keyed for 3/8" ratchet head Diameter: 0.8" (20mm) Length: 0.95" (24mm) Weight: 60 g Versions: - 10mm: fits most Female hubs with 3/8" x 16 TPI bolts - 14mm: fits mostrear hubs with 14mm x 1mm axle