Tools | Fits All Hole Saws 1-1/4 in and Larger; Fits All Drill Chucks 1/2 in and Larger | General Purpose, Skinning | Used to Pull Rope Through Conduit. Use With Power Fishing Systems Directly From the Container | Open 1.5" (38.1 Mm); Closed 1.906" (48.4 Mm)Southern Tier Electric Supply