Round Scalpel Blade Handles are all about comfort and relaxation. The round handle styles allow for infinite blade positioning. In addition yourfingers rest in the same places as with other instruments. Also you can roll the instrument in your fingers to position the blade as opposed to using wrist rotation.
Revision date indicates the date the MSDS or SDS was last revised. MSDS / SDS are
dated when they are originally issued AND when any significant change has been made
to the chemical compound or research has revealed a health or physical hazard different
from what was originally stated.