Swivel base is ideal for bent rod fishing Swivels to follow the fish without removing the rod from the rod holder Cast 1-piece stainless steel swivel cupSuper smooth turning precision-machined 1//2" pivot with fine threads and teflon clutch washersBent Butt Locks into swivelStrong investment-cast 316 stainless steel offers maximum corrosion resistance for long lifeIncludes a white vinyl liner