Provided is a picture of a reinforced Retractable Wire Knife manufactured by McHugh Milieux. Here you can clearly see the difference between the M121 and M122. Notice the curvature of the tungsten wire. This curvature can be specified to fit your needs, anywhere from 1.5-3mm. The knives are made 1.5-2mm, if you need different email sean@mchughmilieux.com. All orders come with a 30 day money back guarantee.
M122 Wire Knife
1.5-2.0mm
$145.00