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 250 HD Leveling Clips $21.65 Add to cart Power Raizor Water Feed System $165.00 Add to cart Expandable Work Bench Plus $1,250.00 Add to cart Steel Side Tool Box for Work Bench $105.00 Add to cart