Inquiry (采购产品): Ladders w/Spring Loaded Casters Please give us a quote for Standard Ladders with Spring Loaded Casters with the following options. 3 step, expanded metal tread, no handrails, 16" wide (318 SU). If possible, we would like to compare prices among the similar models.Please also let us know the S&H fees for UPS shipping to Boulder, Colorado. Thanks, MK **** Hidden Message ***** Mariko Kageyama Bruce Curtis Building (MCOL) 265 UCB Boulder, CO 80309-0265 USA Company: University of Colorado Museum - Zoology Section Title: Collections Manager Phone: 303-492-0160 Fax: 303-735-2274 E-mail: mariko.kageyama@colorado.edu **** Hidden Message ***** mariko.kageyama@colorado.edu