Thank you for viewing. Every time I get a new board, I first test with these fins to understand its characteristics. For reference: 【High-Performance Fins】 FCS's PERFORMER model delivers high performance in surfing. It is particularly characterized by stability and speed in a quad setup. 【Versatile】 These fins can handle various wave conditions, making them suitable for beginners to advanced surfers. The quad rear fins, in particular, improve control during turns. 【Durability】 Made of plastic, they are lightweight and highly durable. Designed to withstand long-term use. - Brand: FCS - Model: PERFORMER - Type: QUAD REAR - Quantity: Set of 5 - Color: Blue/Black - Material: Plastic Thank you for viewing.