This six drawer instant access crash cart offers 30″ of vertical drawer space and is designed specifically for emergency care personnel. Each cart is constructed from heavy-duty steel and features a breakaway locking system that offers staff immediate access to cart contents. Other unique features for this model include a white antimicrobial plastic top, ergonomic push handles, 5” ball-bearing Tente casters, full-extension drawer slides, elegant drawer pulls and protective stabilizing pontoon bumpers. M-Series carts like this one give you options. The MDS2430B06 replaces the Classic Model 4256B and is a possible replacement for Classic Model 4255B.