Insty-Drive Drill Bit Adapter Set
Convert standard round shank drill bits and rotary tools into quick-change tools. With 1/4" hex power bit shanks. Works with Rockler/Insty-Drive Quick-Change Chuck (#69015, sold separately).Includes 1/16", 3/32", 1/8", 5/32", 3/16", 7/32" and 1/4" drill bit adapters, plus 1/8" hex wrench. 2,500 RPM maximum. Comes with handy storage case. Made in USA.