The HON 310 model is built for intensive use, as is the 510, but the S380 is built for moderate usage. The 310 has a spring loaded file follower, but both the 510 and S380 has an adjustable wire file follower.
Answered on 4/11/2011 by Darlene S from Staples
Q:
Does this have the slide to keep files in place and high sides?