Size / Weight: Small: 3.9 x 9.8 x 2.0 inches (100 x 250 x 50 mm) (8.3 oz (235 g); Regular: 3.9 x 11.4 x 2.0 x 2.0 inches (100 x 290 x 50 mm); *Left throw is only small and regular. Material: Ultra lightweight and durable duralumin (Functions) One-touch detachable finger support finger part (index finger) can be easily attached and removed with one touch. Special high density EVA sponge, matte black color pad wraps your entire hand with just the right amount of firmness. The palm belt is easy to remove with Velcro, making it easy to install.Provides precise grip on finger areas.(Uses high-grade leather) Fine adjustment bolt operated cup wrist dial with clear operation, based on fine tuning up to 1/10 mm increments.Easy to operate and solve your wrist angle freely. ● Durable, lightweight, hard material: Made of stainless steel with excellent corrosion resistance and ultra lightweight and hard duralumin for a sturdy body. The ATS (axistyl stabilizer) rotary axis can be adjusted. Wrist belt integrates with the wrist for ease of use without stressProvides a firm grip and a strong grip.