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This is a BS 1377 riffle box with 50mm slots, a sample divider that splits a poured aggregate sample..

This is a riffle box sample splitter to BS 1377, a sample divider that splits a poured aggregate sam..

This is a set of BS 1377 riffle box with 25mm slots, used to halve a soil or aggregate sample into t..

This is a set of BS 1377 riffle box with 7mm slots, the smallest divider in the range, for splitting..

This is the smallest BS 1377 riffle divider in the range, with twelve 7mm chutes for splitting fine ..

This is a BS 1377 riffle box sample divider with ten 25mm chutes, used to halve a soil or aggregate ..

This is a BS 1377 riffle-type sample divider with twelve 50mm chutes that split a poured aggregate s..