Fantastic spearfishing fins for an incredible price! Spearmaster fins are constructed from an advanced composite-fiber compound to provide the freediver with great performance, durability, and power. Spearmaster fin blades are made in small batches to ensure quality and consistency for years to come. Made by SPEARMASTER - South Africa, these composite fiberglass fins are so well-priced that it's a no-brainer upgrade to these performance fins. Extremely durable fins.