SpecificationsDrilling hole size: Dia. 1/2" 40" (12.51016mm) Operation: Manual rachet crank/ hydraulic driving feed Condition: -30370 Drilling hole size: Dia. 1/2" 40" (12.51016mm) Operation: Manual rachet crank/ hydraulic driving feed Condition: -30C370 C; 1.610Mpa Completed with kinds standard accessories: - Threaded valve adapter - Flanged (RF) valve adapter - Hole-saw/ Cutter - Drill - Pilot drill - U-rod - Hydraulic pump station