"Doms Mathematical Drawing Instrument Box in your hand is a result of our excellent craftsmanship and r&d.
Both driver and compass are made with not rusting strong material to last long and remain in shape and shine
for safety and long lasting life of every shape edge points.we suggest to secure them with provided cap
every instrument is designed and developed by us with all safety measures for its user
the plastic used in ruler, protractor and set square are made of high transparency plastic and comes with precise marking for east reading and accurate."