Large double optical square or double prismatic square. Used as a handheld tool for sighting between two poles or stakes. Facilitates a plumb bob and string for positioning over a point.
Used for: Placing points on line, Setting out curves, Offset measurements, Determining the horizontal, Detail plans and area measurement, Simple height measurements.
Includes leather carry pouch.
Please allow 2 - 10 days for your order to arrive.
Although Most Stocked Products will generally Ship Overnight. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!
Returns are easy.
simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!