Bs Sieve 300mm Diameter in Sizes 75, 63, 50, 37.5, 28, 20, 14, 10, 6.3, 5 and 4mm, Plus Lid and Receiver

This is a 300mm diameter BS test sieve set spanning 75, 63, 50, 37.5, 28, 20, 14, 10, 6.3 and 5mm apertures, plus a matching lid and receiver, used to grade coarse aggregate fractions to BS 410.