Quote Originally Posted by Baldwin View Post
what size is your autolock door popper? My spring wore out on mine and I need a new one.
It's the DP3000

• Length: 3 1/2" • Tip Diam: 1/2" • Shaft Diam: 5/8"
• Stroke: 7/8"-11/8" • Flange 2X1-1/8"