“STELLITE alloy Series-1? is a straight handle (even handle). This is a level set handle for both flexability and stability. The short non-slippery finger rest are covered with rubber. The butterfly handle is a key feature. More then 50% cobalt STELLITE alloy gives you a powerful cutting scissors. Flat screw that can be adjusted from the back. Newly designed ball bearing screw system. Removable tangs.