Engraving Pen (Blue-Point®) | AT187 Extension Wrench • 4" long

• 4" long

• Reverse polarity identification

• Impact-modified nylon housing designed to minimize loss of torque transfer to hex keys and prevent damage if dropped

• Precise radial spline teeth engage the fastener teeth over a wider area to minimize stress and allow application of high-torque to reduce risk of damage to the fastener or the tool

• Blade Style : Heavy Chisel

Engraving Pen (Blue-Point®) | AT187 Extension Wrench • 4" longMarks tools and other objects to prevent theft Used on hardened steel plate (up to HRC55), metals, glass, stone, ceramic, plastics and more Used for deburring operations and reshaping screw bolt heads for removal Rugged metal housing Knurled fingertip control Tips sold separately Specifications Free Speed, RPM : 14,000 Hose Length, inches : 59 1 2 Recommended Air Pressure, PSI : 90 Hose Length, inches (mm) : 59 1 2 (1,511) Recommended Air Pressure,