*Some regions may experience delivery delays due to COVID-19* Free shipping in the USA! 30-day return and refund policy
Your every-day carry engineering scale ruler and pocket reference to save you time, sharpen your drawings and take precise measurements in the field, in your lab, or on your homework.
Free shipping in the USA! Typically arrives in 5-15 days in the USA, 15-30 days internationally. Expedited shipping available for less than $2 in USA.
Still not sure if you want one? We offer free returns of this product within 30 days of purchase if you're not happy with it! Grab it today with no risk and feel the difference yourself.
Bulk classroom discounts and group customization available by request.