[12.7mm Convex 0.37 inches (9 TSA34]
[6.35mm Convex 0.37 inches (9 TSSA23]
[9.5mm Convex 0.25 inches (6.35 TSSA32]
[9.5mm Convex 0.25 inches (6.35 TSA23]
Surface treatment: trivalent chrome plating; Adapter connects socket and handle with different insertion angles. Made of chrome vanadium steel. Surface treatment is trivalent chrome plating.