Suitable for 020 cm. sievies. Made of brass, jointless.Coarse Test Sieves : G.I. Frame with perforated round or square openings. These are available in 030 cm. 054 cm. frames with opening of 4.75 mm., 6.3 mm., 8 mm.,10 mm., 11.2 mm., 12.5 mm., 16 mm., 20 mm.,22.4 mm., 25 mm., 31.5 mm., 40 mm., 50 mm., 63 mm., 80 mm., and 100 mm according to IS specification
This device is light in weight, so easily portable yet sturdy. Suitable for bench mounting. the side to side movement to the carrier which can take upto 7 sieves of 15 cm. or 20 cm. diameter is through a train of gears operated by a hand wheel, a heavy fly wheel ensures smooth operation.