My corded Dremel 300, purchased in 2005. The chuck recently seized and I was able to open the case and easily service the part myself. : r/BuyItForLife
Dremel 300-30 Review | bit-tech.net
Dremel 300-N/31 Dremel® 300 Series Project Kit With Work Bench & 31 Accessories Workstations - Newegg.com
Dremel 3000 Series 1.2 Amp Variable Speed Corded Rotary Tool Kit + Rotary Keyless Multi-Chuck for 1/32" to 1/8" Accessory Shank 3000-1/25H+4486 - The Home Depot
CRL Dremel® 300 Series Rotary Tool Kit - 300124 -B&DECKER KIT ALSO - NICE | eBay