Embossed pliers steel stamp shelf Hand pressure type copper free diy pliers stamp special shelf + clip accessories. Copper debugging/direction adjustment method: 1. Both copper sheets are pasted with double-sided gum, 2. Remove the copper adhesive paper, 3. Align the black mark and close the copper sheet, 4. Place the clip in the direction you need to stamp, 5. Press once to stick the upper and lower sides together, 6. Put in the stamp holder.