"The Northern Industrial Tools air-powered hammer kit with 5 chisels delivers up to 4500 blows per minute for powerful striking power at a very affordable price. Tough die-cast aluminum body for durability. Chisels Included Yes, CFM at Load 5, Min. Hose Size in. 3/8, Air Inlet Size in. NPT 1/4, Blows Per Minute BPM 4,500, Air Consumption CFM 5. Hardened steel barrel and piston for less wear and longer life Built-in regulator controls strike power Lightweight die-cast polished aluminum body Includes 5 chisels cold chisel, panel cutter, two ripping chisels and punch"
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