Hydraulic pressure hose GH 506, 2786- of Dash size no. 20 out of hose: GH506/ EN856/ 4SH. As per specification no. TMC/ CPOH/ HM/ HYD- 005- R2, Specifications:- 4 high tensile spiral wire braided high pressure hydraulic hose confirming to specification DIN20023- 4- SH, ID of hose 1 1/ 4