Professionele metalen geometrieset, 13-delige precisieset voor wiskundig tekenen, inclusief passer en gradenboog, voor studenten en ingenieurs.

Geometry Precision Tool, 13PCS Math Geometry Kit Set Circle Drawing Tool and Architecture, Graphic Compasses Rulers Pencils Protractor with Storage Case for Kids Architects Engineers Students [13-piece Math Compass Kit]You will get 13 pieces of compass geometry set in the package, which includes 3 graphic compasses, 1 ruling pen, 1 dull locating pin, 1 extension bar safe pin, 2 pencil refills, 1 mechanical pencil, 2 triangular rulers, 1 piece 6-inch ruler, 1 piece 3.5-inch protractor. All of drawing compass are put in a robust plastic case. [High-Quality Precision Tool]The compass and protractor set for drafting are made of zinc alloy steel for reliable performance, which won’t bend or flex while in use. The math compass and protractor set are made of PS material, lightweight and clear. Reusable break-resistant carrying case is designed for secure, tidy storage and convenient transport. [Versatile Applications]The math geometry kit set is a fantastic assistant for those working in machine design, and the geometry compass set is suitable for architects, engineers, draftsmen, builders, roofers, teachers, and students. Perfect for DIY handymen and artists for a variety of geometry tasks. [Extension Beam Design]The math tool kit equips an extension beam that attaches to the big compass for drawing large circles so that you can draw a larger circle without lots of measuring and connective dots. The 13-piece professional geometric set is designed for geometry students or anyone looking to practice general math skills. [Practical Gifts]The mechanical drawing tools are designed by experienced math experts with all essential items for teachers and students at any level. A good choice for teachers and students. It's also a perfect gift for your kids and friends, easy to take to class and store in the classroom and at home. Just choose it as school season gift or Christmas gift. Shipment: 1)Enter order number and Aliexpress will choose cheapest shipping method for you. 2)We can not make sure the shipping time,as there are many factors out of our control in the transportation, hope you could kindly understand. Normally it will take around 2-4 Weeks by Air mail, 5-20 days by express shipping. 3)All items are dispatched within 5 days after payment process is completed, and almost items canbe send out with 48 hours. Feedback: 1)Your satisfaction and positive feedback will be our best return for serving you. If you feel satisfied with our products and services, please leave us your positive feedback. Your feedback will be highly appreciated and will help us to serve you better. 2)If you are not happy with our products and services, please contact us before you submit a negative feedback. Once there is a problem reported, all of our staffs will try best to help you out of the issue occurred. Thank you for your understanding. 3)Please do not open dispute or leave negative feedback without talking to us  , we will reply to all our customers and solve the problem you have met.