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PEXTO power squaring shears provide features designed for shearing efficiently and accurately equal the demands of present day productivity. Both the air (PA452) and hydraulically operated (PH452 and PH52) models have built-in ruggedness that will make them last for years of normal use. The shears offer triple-action shearing which includes relief on both edges of both the fixed and moving blades. The blade design eliminates blade-to-blade friction, provides “bite” to minimize sheet movement under shearing stress and produces double penetration in the cutting action. The shears will handle a 52″ sheet. Maximum shearing capacity is 16 gauge mild steel. The PEXTO PA452 air shear combines all of the standard features of the 152K foot shear with the added convenience of air operation. The PA52 utilize heavy-duty, tie-rod pneumatic cylinders, which provide up to 40 strokes per minute in capacity materials.