Feature 1Keep Stable: Our anchor system of the boat is suitable for still water fishing, keeping boat stable and not frightening the fish. 2Satisfying Experience: Rugged structure and roller bearing can provide smooth operation and little noise, providing satisfying using experience. 3User Friendly: Easy operations of lock and release allows the adjustment of anchor lines, a more user friendly design. 4No More Than 1/2in: Suitable for the rope with a diameter no more than 1/2in (the rope is excluded). 5Size Description: Mounting size is about 4x2x2 inches; bolt connection size is approx. 1 5/16 inches x 3 3/16 inches.SpecificationItem Type: Anchor LockMaterial: Metal + PlasticColor: As Picture ShownApplication: For Surfboard, Boat, KayakWeight: Approx.498g/17.6oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Anchor Lock1 x Accessory4 x Screw4 x Nut