The hydraulic jack B.N.B. "Barreto Nail Baring", was developed to a present and persistent market requirement, the capacity of the claw must be equal a hydraulic jack is, quality as a imported one, operative at the market and most important that it runs in a moment of contraction such for a great as a small company, low cost and high quality, always using the best cousins substances, obeying the commitment of the Higth Quality, for example we can mention the shirt of B.N.B. 30 Tons, that is made of ST 52.3 Mechanic Pipe giving this a highest resistance such chamber pressure as for eventual falls or bad treatments suffered for the equipment, the B.N.B. has a Piston made in massive 8620 with thermal treatment giving it 1 mm of cementation and leaving it with an ideal hardness and resistance. Its Hydraulic Reservoir, is also made with this substance. Using a automatic double bombardment system and using treated plates that have its thicker walls giving to the equipment biggest durability and resistance of bad weather whose it can be displayed, on the other hand, not all the national companies can offer a Know How of 35 years at this market.