Product CatalogueSports and OutdoorsWindsurfing OtherBits and PiecesK4 Fins Slot Box Box Blanker 130mm Back K4Fins K4 Fins Slot Box Box Blanker 130mm Product ID: 974822 Brand: K4Fins 2025-05-25 From: $19.99 AUD View or buy the Bits and Pieces Windsurfing Other - K4 Fins Slot Box Box Blanker 130mm from K4Fins to discover other options and shipping details. Description Blanks off Slot Box when not in use 130mm long 9 mm wide 25mm deep Back to Windsurfing Other - Bits and Pieces More Bits and Pieces and others in our range Chinook Adjustable Collar And Pin For SDM Extension Streamlined Mast Extension Adjustable Collar And Pin Patrik Power Box Box Blanker Chinook Mast Cup Kit Chinook Deck Washer Chinook Powerhaul Pulley And Cleat System Chinook Footstrap Retaining System Patrik RDM Cambers Chinook SDM Mast Extension Collar And Pin Patrik EVA Nose Protector Foil Board