Check the listing for details. WoodRiver Edge Guide for Portable Drill Guide. Condition: New. Listed at 51.98 USD. WoodRiver Edge Guide for Portable Drill Guide, 195001, Designed specifically for the WoodRiver Drill Guide (#194999, sold separately), Brass thumbscrews make it easy to lock in desired drilling distance, Made of durable plastic with structural ribbing for strength, Ensures consistent hole placement from the edge of your workpiece, The Edge Guide works in combination with the WoodRiver® Drill Guide (#194499, sold separately) to create a row of holes. It sets the distance from the edge of your work, so you’re assured of consistent hole placement. Whether you're drilling dog holes in a new workbench, shelf pin holes in a cabinet or peg holes for a Shaker coat rack, you'll love the precision it brings to your project. Includes two 1/4'' x 12'' aluminum guide bars for drilling 1-3/4''.