Specifications:

M0 plastic package (50 pieces per box)

M1 upgrade (50 pieces per box)

M2 ordinary model (1100 pieces per box)

M3 metal type (3600 pieces per box)

M4 industrial model (50 pieces per box)

Art knife suit (blister packaging)

M5 heavy metal (40 pieces per box)

M6 Black Warrior (50 in a box)

M7 stainless steel art knife

DP1 (applicable to m1,m2,m4,m5,m6)

DP2 Black (blade suitable for m1,m2,m4,m5,m6)