The speargun rubbers Mastro Sub are made from 100% natural latex and are manufactured in Greece. They are considered one of the best choices in their category, offering high quality.

The Power Band Latex Black is characterized as a nervous rubber, with reduced recoil effect. It is made using 16.5 mm natural latex, with a high energy storage coefficient that enhances its performance.

The high thermosetting coefficient ensures that the performance is maintained even with sudden temperature changes. The product features conical plastic fittings that contribute to the better hydrodynamics of the gun and is sold in airtight packaging.