Made for boats with anchor platforms. Hangs down within a slot in the platform.
Fits most styles of anchors.

Small platform roller boats from 18 - 30 ft, with chain to 3/8" and line to 1/2"; fluke anchors to 28 lb, and other anchors to 35 lb
Large platform roller boats from 28 - 48 ft, with chain to 1/2" and line to 1-1/2"; claw anchors to 33 lb, and other anchors from 20 - 45 lb
Polished 304 stainless steel
Delrin rollers