kneadable 2-component silicone with individually adjustable hardness grindable and polishable. physiological harmless. for toe balancers and -corrections. individual orthoses. Pad. small molds and models and much more Mixing ratio A : B = 100 : 100 parts by weight Set of 300g each. Shore hardness approx. 20 or about 45 Set A + B 20. 2 x 300g