Product Description Moisture contents at which soil has smallest plasticity is called limit. For determination purpose plastic limit is defined as the water content at which a soil will just begin to crumble when rolled into a thread of 3mm. dia. Salient Features Specifications: The complete set consists of one each:- 1. Glass plate 20 cm x 115 cm having ground ends and one side frosted. 2. Brass or stainless steel rod 3 mm dia x 150 mm long. 3. Flexible spatula. 4. Set of 6 moisture containers. 5. Porcelaine basin 150 mm dia. 6. Plastic wash bottle 500ml.