When use your cordless drill for ice fishing, don't forget to add the safety of a StrikeMaster Drill Flange. It takes only seconds to add on this safety shield that will protect you in the rare instance that your drill's chuck releases from the auger. Measures 8" in diameter and made of lightweight polyethylene. Compatible with the NDA-2 adapter only. Lightweight polyethylene construction Measures 8" in diameter Compatible with StrikeMaster NDA-2 adapter Order today!