Windline Anchor Roller Mount This universal anchor roller handles and stows plow, Danforth, Fortress and Delta type anchors. Specifications URM-1 Handles plow, Danforth, Fortress and Delta type anchors Recommended for boats 25 - 54 Handles line up to 1-12 diameter and chain up to 12 Overall Length 22.75 Outside channel width 4.25 Inside channel width 3.75 URM-2 For Fortress anchors through FX-23 and Danforth to 13 lbs. Recommended for small boats Handles line up to 1 diameter and chain up to 38