Dremel 12V Li-Ion 2Amp Variable Speed Cordless Rotary Tool Kit w/Rotary Keyless Multi-Chuck 1/32 in. to 1/8 in. Accessory Shank 8240-5+4486 - The Home Depot
2Pcs Multi Quick Change Keyless Chuck Replacement for Dremel 4486 Rotary Tools 3000 4000 7700 8200 - - Amazon.com
3Pcs Multi Quick Change Keyless Chuck Universal Chuck Replacement For Dremel 4486 Rotary Tools 3000 4000