Hb Engineering Technical Drawing Set

ENJOY STURDY GEOMETRY COMPASS SET- designed by professionals,Suitable for all plotters.Professional Compass provides basic tools for students and designers t, Drafting And Drawin.Including:aluminum Divider,bow-compass with extension arm,spring compass with locking ,mechanical pencil,duckbill tracing head,mini HB lead,A It's a perfect economical choice.

FEATURE-Combination compass set for solid and plane The compasses made by aluminum alloy,stainless steel making them superior to fragile plastic altermatives.Bow-compass with extension arm is mapping bigger circle,The geometry set is for bisecting angles,constructing,geometrical shapes.

MADE OF IMPACK ALUMINUM If the compass and spring compass displace some instrument parts of painting which can be extended for their working functions.For exchanging other parts,use the arm staff,it draws bigger circles. Materials: alloy aluminum.plastic.stainless steel.The math set associate with T-square、scale ruler.They will be full meeting the technical requirements for widely using

PERFECT geometry kit set for map-making of teaching and studying drawing drafting engineering architecture,woodworking. for bisecting angles.constructing，geometrical shapes.

PURIFICATION BLUE COLOR CASE:Durable compass case with a nice plastic pallet to protect and keep the tools in an orderly place. Everything packaged good in it for easy to carr