Leviton 40054-DS Wire Distribution Spool (Mushroom) without Screw, White Wire distribution spools can be used alone or with the ChannelMax Vertical Spool Manager to provide effective wire management in 110-Style or similar applications Available with or without a screw Wire Distribution Spool with Screw (20-B) 1-3/4" D X 3" H. Maintain proper cable bend radius Color White