[Function] Hanger for marine boat rails quickly and easily connect the fenders to rails [Sturdy Plastic Material] Hook with the plastic structure will not scratch, dent, or damage your ship's railing [Easy to Use]Boat Positioning Hook with single handed use, easily adjust your in height [Professional Accessories]Marine Boat Bumper Hook Accessories is to secure your boat fenders [Easy to Install]Boat Bumper Hook with rail mount clip, simply snap onto your boat rail Colour:Black Material:ABS Size:25mm Package Contents: 1 x Boat Hook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.