Clew strap £15.00 Boom Circumference Light Mini X - small (+£1.00) Small (+£5.00) Medium (+£10.00) Large (+£15.00) Add to cart Hyde sails Clew Strap, polyester webbing with velcro. Light mini - 20mm x 690mm X-small - 19mm x 770mm Small - 30mm x 1400mm Medium - 40mm x 1400mm Large - 50mm x 2150mm