4-Piece 20cm Transparent Ruler Set

SS-9002 4-Piece 20cm Transparent Ruler Set is a practical geometry drawing set designed for school, learning, office, and technical drawing activities. The set contains four transparent measuring tools: a 20 cm straight ruler, a 60° set square, a 45° set square, and a 180° protractor. Clear measurement markings help students measure lengths, construct angles, draw straight lines, and complete geometry exercises accurately. The transparent construction also allows the user to see the page underneath while measuring and drawing. Four-piece geometry sets with this ruler, two set-square and protractor configuration are commonly sold for school mathematics and drawing