Place Value pack Tennis Diffraction grating 300 lines/mm

Diffraction grating 300 lines/mm

college and leisure centre changing rooms and many other applications

Supplied in a black nylon bag

Mesh lined

Suitable for food pressing

Place Value pack Tennis Diffraction grating 300 lines/mmCombines the unique numbers up place value books and double sided plastic dry erase boards printed both sides for added value. Place value flip books feature the patented quick select numbered tab system. No loose cards. Easy partitioning with colour coded value sections. Enables addition or subtraction in hundreds, tens and units in sequence from 1 000 or 999 1, always in correct placement. Durable laminated finish. Place value A4 double sided erase