Description: - High performance premium nylon windsurf mast foot base tendon joint baseplate with stainless steel M8 pin fitting - Special foldable design, high strength, strong, durable, easy and convenient to use - 180 Degree swivel rotatable at joint part - Universal fit - Great replacement accessories for windsurfing, surfing water sportsSpecification: - Material: Nylon, 316 stainless steel - Size (L x W): Approx. 17.5 x 10.6 cm/6.9 x 4.2 inch - Extension Pin Thread: M8 - Screw Pin Length: Approx. 3.5 cm/1.4 inch - Color: BlackPackage Includes:1 Piece Windsurfing Mast Foot BaseNote:Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!