Adjustable Resistance Swivel Gimbal Smooth Acting Clutch Unbreakable Cast Gimbal Cup 316L Stainless Steel Tube adjustment nut is 12 in total length. 0,15,30 Degree These super heavy duty swivel rod holders feature the same quality construction and dimensions as the drain bottom 80 Series with the addition of a precision machined swivel gimbal controlled by a smooth acting clutch. Why does anyone need swivels? When high speed trolling, Smiths swivel action rod holders prevent costly main line we