Chinook Sailing Standard Slot Box with Hardware Slotbox specs: – Fin Cavity dimensions: L 127mm x W 9.2mm x Depth 25mm – Routed Cavity dimensions: L 135mm x W 18.75mm x Total Depth(includes Flange) 31.25mm – Flange Dimensions: L 150mm x W 32mm x Thick 3.25mm – Weight: 75g(2.6oz) – 2 x 10mm M5 grub screws