20042-4 Parker 42 Series Hose FittingParker's 42 Series fittings are field attachable (reusable) style fittings which enables you to quickly and easily make hose assemblies right on the job site. Parker's No-Skive 42 Series fitting assembly does not require removal of the outer cover or inner tube of hose, eliminating premature hose failure caused by skiving too much or too little.