Monofin Hanger $35.00 Monofin Hanger This beautifully crafted zinc alloy monofin hanger is produced by Intotheblue – the brand famous for the miniature freediver models. The monofin hanger has a 48 x 40mm blade size, and the ring is very sturdy with a diameter of 30mm. The beautiful finish of this hanger makes this a piece of freediving jewellery every freediver wants to own. Wear this miniature monofin to express your love for freediving or gift this hanger to those you love.