1、Keep Stable: Our anchor system of the boat is suitable for still water fishing, keeping boat stable and not frightening the fish. 2、Satisfying Experience: Rugged structure and roller bearing can provide smooth operation and little noise, providing satisfying using experience. 3、User Friendly: Easy operations of lock and release allows the adjustment of anchor lines, a more user friendly design. 4、No More Than 1/2in: Suitable for the rope with a diameter no more than 1/2in (the rope is excluded). 5、Size Description: Mounting size is about 4x2x2 inches; bolt connection size is approx. 1 5/16 inches x 3 3/16 inches. 1 x Anchor Lock1 x Accessory4 x Screw4 x Nut Item Type: Anchor LockMaterial: Metal + PlasticColor: As Picture ShownApplication: For Surfboard, Boat, KayakWeight: Approx.498g/ 17.6oz