10Pcs Swivel Impact Socket Adaptor Set Step 1/2" 3/8" 1/4" Drive Up/Down Reducer

1/4" 3/8" 1/2" dr Impact Extension Bar Set Socket Converter Reducer Adapter 3/4". 【 Enhanced Safety 】 : The universal joint is designed with ball type buckles and pneumatic pin holes, which stop the driver head from slipping and ensure fast and safe manipulation.

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