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 Steel Hooks (Kit of 4) $89.00 Add to cart Steel Side Tool Box for Work Bench $105.00 Add to cart Pair of Strip Support for the Work Bench $38.00 Add to cart Power Raizor-Box Unit Only $610.00 Add to cart