Check the listing for details. Kayak Phone Holder Mount, 360°Adjustable Kayak Phone Holder with Long Arm. Condition: New. Listed at 16.70 USD. 【2 Mounting Options】Include 1 kayak phone holder, 1 T-shaped screw and 2 pointed screws. The kayak phone holder can be mounted on the rails or on the hull. You can use T-shaped screws to attach it to the track for easy adjustment, or attach it directly to the kayak with pointed screws for a permanent installation, making it suitable for kayaks without rails. 【Wide Compatibility】The kayak phone holder is for 2.16-3.74'' of phone width, like phones diagonal size in 4''-7''. The max thickness the phone cradle can holds is 0.55''. 【Secure & Firm】Our phone holder for kayak is equipped with non-slip rubber pads and the side safety lock allows you to lock the holder after adjusting the phone size, ensuring that your phone remains firmly in place even during bumpy sailing.【2 Mounting Options】Include 1 kayak phone holder, 1 T-shaped screw and 2 pointed screws. The kayak phone holder can be mounted on the rails or on the hull. You can use T-shaped screws to attach it to the track for easy adjustment, or attach it directly to the kayak with pointed screws for a permanent installation, making it suitable for kayaks without rails. 【Wide Compatibility】The kayak phone holder is for 2.16-3.74'' of phone width, like phones diagonal size in 4''-7''. The max thickness the phone cradle can holds is 0.55''. 【Secure & Firm】Our phone holder for kayak is equipped with non-slip rubber pads and the side safety lock allows you to lock the holder after adjusting the phone size, ensuring that your phone remains firmly in place even during bumpy sailing.