engineering machinery cartography drawing tools suit professional drawing kit drawing drawing drawing drawing construction drawing for college students

[high quality 19-piece set] classic transparent box [high quality 20-piece set] classic canvas bag [transparent box 19-piece set] +60cm t-square [20-piece canvas bag set] +60cm t-square [transparent box 19-piece set] +69-piece set of tools [20 sets of canvas bags] +69 sets of tools [transparent box 19-piece set] +3 simple black pens [20 sets of canvas bags] +3 simple black pens [transparent box 19-piece set] +10 pieces log pencil [20 sets of canvas bags] +10 pieces log pencil [transparent box 19-piece set] +19-piece set of tools [20 sets of canvas bags] +19 sets of tools

mechanical drawing ruler