the present invention generally relates to a skin graft preparation device , or mesher . this device is designed to incise and &# 34 ; mesh &# 34 ; a piece of skin , usually prior to grafting to allow it to expand and cover an area larger than its donor site area . more specifically , the invention relates to an adjustable mesher device wherein the mesher has an adjustable meshing drum or drums useful for the meshing of the entire range of meshing ratios , thus eliminating the need to keep various meshing devices . another embodiment of the mesher has two consecutive meshing drums . a further embodiment of the mesher has a rotatable common holder allowing selection from a number of meshing drums . these meshers can mesh skin in both powered and manual modes of operation and may be used with most existing graft carriers or may be used without any carrier . the present invention further relates to a system for using the mesher .