MilesCraft 1003 RotoFlex. No adaptors required, connects to any 1/8 inch chuck (can even be used with a drill). 3 Sets of ball bearings provides long lasting and smooth operation. Comfortable grip handle provides fingertip control. 36 inch Flexible shaft. Leave your rotary tool behind as you reach into tight spaces. New 5 in. bend radius provides more flexibility than most flexible drive shafts. Integrated shaft lock. Easy bit changes. Accepts up to 1/8 inch shank bits using standard dremel collets, 1/8 inch collet included. Use with Sky Hook(not included) to keep your rotary tool out of your way when working. Rotary tool not included.