Ridgid Hydraulic Knock Out Puncher Kit TH220502-S is unique in the industry

is unique in the industry in having a digital LCD degree display

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92 m/s high air speed with 20 m³/min high volume MM4 engine for lower emissions and greater fuel economy for the demanding professional

New ergonomic design with finger rest

with Mandrel and HSS Drill Bit

Ridgid Hydraulic Knock Out Puncher Kit TH220502-S is unique in the industryRidgid Hydraulic Knock Out Puncher Kit Combines ease of hydraulic operation and precision ground knockouts to provide clean, quick holes. Available with foot or hand pumps. Precision ground 3 point punch die sets. Capacity to 4" in 12 gauge mild or 14 gauge stainless steel. Powerful 11 Ton hydraulic ram. Pumps equipped with internal safety relief valve. Ram and pump equipped with quick disconnect couplers. Catalog No. Model Description Price 23477 HKO