Excellent bending stiffness and good grip due to double T-profile in the middle areaMaterial is concentrated only at loaded points to guard against the risk of breakageExtremely resilient and yet very slim and lightweightClosest tolerances in the spanner jaws prevent jamming and slippageHigh-grade matt, skin-friendly surface without sharp corners and edgesChrome alloy steel, chromium platedTo DIN 3110 and ISO 10102