[ad_1]
Considered by some to be one of the most useful tools of all time, knives were among the earliest types of tools created by early humans its origins date as far back as two-and-a-half million years ago and even though they are most frequently regard as weapons they are still utilize as tools.
One of them is the utility knife which is a vast tool used in a variety of trades and crafts for a range of purposes. It is generally make up of a simple and cheap holder typically flat roughly one inch (25 mm) wide and three to four inches (75 to 100 mm) long, and usually made from either metal or plastic.
We are going to take a look at the two types of utility knives available in the market.
Retractable Blade Utility Knife
A retractable blade utility knife normally has a plastic handle which appears in bright colors like orange, blue and yellow. The handle has a long, graduated blade that extends from it. This is commonly used for cut materials such as cardboard boxes, drywall, laminates and plastic. You can manually change how much the blade extends, so that you cut the sealing on a package without spoiling the package contents.
The blade retracts into its body for safer usage and storage. And some of them incorporated a spring-loaded blade that retracts automatically when you release the knife. When the cutting edge is blunt, you can break it away from the remaining blade, revealing the distinct segments which are sharp and ready for cutting. When all the individual sections are blunt, it is discarded or replaced with a replacement blade.
The handle usually unscrews or twists open to allow the changing of blade. Several knives have spare blades which are typically kept in the hollow knife handle, which can be used by unscrewing a screw and opening the handle. Higher-end knives come with rubber grips which are ergonomically designed for improved gripping.
Fixed Blade Utility Knife
Fixed blade utility knives are widely used for handcrafts. The blade is fastens amid the halves of the knife to allow improved blade stability as compare to their retractable counterparts. The handle usually unscrews or twists open to allow the changing of blade. Similarly, higher-end knives come with rubber grips which are ergonomically designed for improved gripping. However, these knives use larger or special-purpose blades that is unable retract into its body.
[ad_2]
