Solid steel shaft - Color coded sizes. - 1/2 Crescent///brand_for_product_detail=Crescent,close_out=No,companydescription=Crescent - Imported,condition=New,condition_google=new,cost=0.000000,countrymade=Imported,featured=0,identifier_exists=0,instock=in stock,listprice=3.35,manufacture_country=Imported / Other,product_image_size=Default,product_page_type=Default,sellprice=3.35,shopping_ad_bestseller=No,smart_campaign_bestsellers=Rest of Smart Campaign Products,square_product_image=https://square-production.s3.amazonaws.com/files/9e8997aa5fec224c8442ef454c17060abdee033a/original.jpeg,square_updated_at=0,store_price=3.350000,sw_featured=No,url_path=1-2-nutdriver-crescent