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Swanson BBL480 48" Box Beam LevelProduct InformationSwanson BBL480 48" Box Beam Level • Swanson's strongest Box Beam Levels include new SUPER SHOCK feature. • Deep accurized V-groove for round and square stock • Multi-ring vials indicate 2° and 4° grade for drainage • Impact-resistant solid block vials. • Comfort grips for ease of handling. Swanson's flagship 'built-like-a-tank' monster- The Box Beam Level! A super-heavy-duty aluminum frame houses industrial-strength acrylic block vials and is finished with Super Shock end caps made from a proprietary polymer/rubber blend. The deep V-groove channels allow the user to work with both round stock and squared corners. Superior-precision, multi-ring vials indicate drainage pitch for plumbers and landscapers and are accurate to .00050". Other Item Details
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