The Lopro WingKnob was engineered with the kayak angler in mind. With the unique wing nut/knob hybrid it creates an easy to grasp yet comfortable knob in both cold and wet conditions. When designing the Lopro WingKnob we wanted an effective yet simple design that eliminated the chance of creating a snag for your fishing line or fly line. Featuring a brass 1/4’’-20 threaded insert and made from marine grade polymers. 1/4-20 Brass Threaded Insert 4 Pack Made in the USA Covered by our Built for Life Guarantee SKU: WK1420-4 The Lopro WingKnob was engineered with the kayak angler in mind. With the unique wing nut/knob hybrid it creates an easy to grasp yet comfortable knob in both cold and wet conditions. When designing the Lopro WingKnob we wanted an effective yet simple design that eliminated the chance of creating a snag for your fishing line or fly line. Featuring a brass 1/4’’-20 threaded insert and made from marine grade polymers.