The RAM® Spring Loaded Holder for Zebra MC3300, MC3400 & MC3450 (RAM-HOL-ZE33U) features a form-fit holder designed specifically for the Zebra MC3300/MC3400/MC3450 Mobile Computer Series. This holder comes with a shim to provide a secure fit for the MC3400 & MC3450 and designed to enable easy, one-handed device insertion. Finish the solution by building your mount—these docks are RAM® Compatible™ equipped with a 2-hole AMPS pattern for adding a ball adapter. Configure your perfect MC3300/MC3400/MC3450 mount by taking advantage of thousands of RAM® mounting components.