Brand New Automatic Business Card Slitter 89X51mm Card DIY 110V With 2000 Business Card Templates Send By Email Youtube video: https://www.youtube.com/watch?v=8uK-M1llc6s&feature=youtu.be Cutting Business Card Size:3.5"*2.0" (89*51mm) Paper Size:Letter Size/A4 or Similar Wont hold letter size paper as tight as A4 paper, NO RETURN accept based on this. Cutting speed:30 piece per minute. The suitable paper thickness is: 120g-300g Page edging saw:Left edging saw adjust from 0.35" to 0.47"(9 to 12mm),top edging saw adjust from 0.12" to 0.4" (3 to 10mm)