【Specification】: 5mm 5.5mm 6mm 6.35mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm (optional). 【Use】: Applicable to DIY, auto repair industry building pneumatic pneumatic batch, ordinary hand drill and other tools, mainly used to install and remove hexagonal head screws and hex head nut, easy to use and operate.
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