Stapler

A stapler comprising:

• a base;
• a magazine part configured to store a staple and rotatably supported by a rear end portion of the base;
• a handle part comprising a driver configured to strike the staple accommodated in the magazine part toward sheets of paper, the handle part being rotatably supported by the rear end portion of the base;
• and
• a clincher part comprising a clincher groove configured to fold legs of the staple which has been struck by the driver and has penetrated through the sheets of paper, the clincher part being provided on a front portion of the base,
• wherein a width of the clincher groove in a front and rear direction is larger than a width of a side face of the staple,
• a bottom face of the clincher groove comprises a flat face section provided as a rear portion of the bottom face in the front and rear direction, and an slope face section provided as a front portion of the bottom face in the front and rear direction,
• the flat face section is substantially perpendicular to a direction in which staple is struck, and
• the slope face section is inclined such that a front side of the slope face section is higher than the rear side of the slope face section.