- Ogura 18 x 6 mm Corded Deep Throat Hydraulic Hole Puncher HPC-N186WSpecial Price £2,147.63 £2,577.16Ogura 20 x 9 mm Corded Double-Acting Hydraulic Hole Puncher HPC-N209WSpecial Price £2,438.13 £2,925.76Ogura 22 x 13 mm Corded Double-Acting Hydraulic Hole Puncher HPC-2213WSpecial Price £3,968.44 £4,762.13