Multi-Size: Deep well nut extractor complete sizes include
SAE (inches) and metric (mm): 1/4", 5/16" (8mm), 3/8", 10mm, 7/16" (11mm), 12mm, 1/2", 13mm, 9/16" (14mm), 5/8" (16mm), 17mm, 11/16". 3/4" (19mm).
Widely Used: Each stripped bolt extractor attaches to 1/2" ratchets and power tools with a 1/4"-3/8" hex adapter and 1/2 conversion adapter. This tool kit is perfect for every home and mechanic, home repairs, auto repairs, and mechanical repairs.