- Ogura 18 x 6 mm Corded Deep Throat Hydraulic Hole Puncher HPC-N186WSpecial Price £2,070.00 £2,484.00Ogura 20 x 9 mm Corded Double-Acting Hydraulic Hole Puncher HPC-N209WSpecial Price £2,350.00 £2,820.00Ogura 22 x 13 mm Corded Double-Acting Hydraulic Hole Puncher HPC-2213WSpecial Price £3,825.00 £4,590.00