chisels
sg tool aid sgt18000 3 8 inch rotary spot weld cutter
features and benefits quickly removes spot welds holding sheet metal can also cut small access holes in sheet metal has double ended 3 8 blade and 1 4 arbor with retractable pilot when one side of blade becomes dull turn blade 180 degrees for fresh cutting surface blades interchange with other spot weld arborsarbor fits all 1 4 drills sku doba13171
sg tool aid