Drop-in SwivelDrop-in Swivel instantly converts any in-gunnel rod holder to a swivel rod holder. Fits inside any rod holder with 1-9/16" or larger inside diameter. Investment cast 316L stainless construction. Smooth turning adjustable swivel resistance.Great for - Fast trolling heavy baits Bottom fishing with electric reels Bent butt rods Fighting big fish from the rod holder Product - CE SMITH DROP-IN SWIVEL Manufacturer - C.E. SMITH Manufacturer Part No - 53690A UPC - 768296008321