3.5′ Work Bench Extension Work bench extension of 3.5 ft. to lengthen the bench. $530.00 3.5' Work Bench Extension quantity Add to cart Category: Large Format File Tools Related products Power Raizor-Box Unit Only $610.00 Add to cart Steel Side Tool Box for Work Bench $105.00 Add to cart Lateral Tilting Work Bench Extension $820.00 Add to cart 250 HD Leveling Clips $21.65 Add to cart