| 摘要 |
PROBLEM TO BE SOLVED: To very simply and surely specify the center of a print or the like and form a punched hole in an accurate position by providing at least plural holes corresponding to punched holes formed by a punch right and left and on the upper and lower sides of one or plural center positioning display parts. SOLUTION: A first center positioning display part 3 is formed in the center of the left end 2a of a plate piece 2. The first center positioning display part 3 has a length of about 2 cm from the left end 2a of the plate piece 2, and a first size display part 4 is formed at the right end of the first center positioning display part 3. The plate piece 2 is provided with a first through hole 7 and a second through hole 8 punched at an equal space with the first center positioning display part 3 interposed between them, The first through hole 7 and the second through hole 8 have the same inside diameter as the punched hole formed by a punch, and the distance from the first and second through holes 7,8 to the left end 2a of the plate piece 2 is about 1.5 cm.
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