retractable trimming knife is a versatile and multi-use tool which
can be used for many different jobs. The retractable blade means
that when not in use the blade is not capable of causing injury.
Retractable trimming knives often have snap-off blades which means
sharp blade is always ready.
Retractable trimming knives come in both reusable and disposable
varieties. The disposable kind are useful when working with materials
which will quickly erode or gum-up the blade and handle.