tender for supply of rock breaker attachment for various hp. pwd., b&r divisions in the state of himachal pradesh during the year 2025-26 , rock breaker attachment with operating weight more than 300 kg, operating pressure of 100 bar or more, strike rate not less than 400 bpm and minimum blow energy of 900 joules compatible for use in any make of backhoe loader (with minimum loader bucket capacity of 1.00 cum and backhoe bucket capacity of 0.26cum) along with circuit kit and accessories required to synchronise the attachment with the backhoe loader for its efficient use. the breaker should be equipped with anti blank firing and should be provided with moil chisel point and n2 cylinder & gas charging kit. note:- bidders are requested to fill in the financial particular for single item only.