Ashish Polyplast. Ltd offers Transparent Rock Drilling Hose. Ashish Polyplast. Ltd supplies a wide range of industrial high pressure nylon reinforced flexible hoses for use in agriculture, fire fighting, chemical industries and engineering. The Transparent Rock Drilling Hose is available with a diameter size of 20 mm and is suitable for use as a permanent replacement to Braided Rubber Rock Drill Hoses with Jack Hammer. The Transparent Rock Drilling Hose finds application in quarries, marble and granite mines, tractor mounted compressors etc.