An injection device that comprises a chamber configured for containing a substance to be injected and a needle operatively associated with the chamber and having a length sufficient to deliver the substance to an intradermal injection site. For those purposes, this invention is to provide a drum brake device, wherein a supporting device for supporting the adjacent ends of the pivot levers is such that the pivot levers may easily follow the brake shoe movement in the drum’s rotational direction. A cutting blade is mounted to the reciprocating member at a position selected to slice the aplanated region off the cornea. Therefore, the user gets the impression that the element is capable of interacting and altering an image displayed on the display screen. The above aim is achieved by using sulfur compounds of the general formula wherein Rs are each independently hydrogen, optionally substituted C1-6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted aryl, chloro, or bromo; m is an integer of 0, 1, or 2; and Z is a group represented by any of the general formulae to.