Specification：

27pcs letter set:  A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z-&

9pcs numbers: 0-1-2-3-4-5-6-7-8(6-9 the same )  

Stamping metal, leather, wood, gold, silver, copper. 
Using 45 high-carbon steel;Hardness: HRC50±2
Size: 2/2.5/3/4/5/6/8/10/12.5mm