math tool kits
helix hlx17881 medium geometry set
medium geometry set includes vital tools for technical drawing . set includes an 8 ruler 6 3 8 triangle 30 degree 60 degree 90 degree 4 3 8 triangle 45 degree 90 degree and 4 3 4 protractor . the ruler features 1 16 graduations highlighted in a bright color on one side for easy identification and millimeters on the other edge . the triangles have inches with 1 16 graduations and centimeters with millimeters along the other edge . tools are made of plastic . compact set fits in most pencil cases .
helix
helix hlx17881 medium geometry set
category other art tools country of origin  components usa or imported warranty information all products come with a 90 day or longer manufacturer warranty warranty length 90 days or longer