The nuts on the wings are steel. Washers are of turned brass. The points are carefully hardened and every care is taken with the threads of the screws which hold the legs in position on the wings. The springs are carefully tempered and are made for easy adjustment while holding the legs firmly. This is the best divider out there. - 8" Wing Divider///brand_for_product_detail=C.S. Osborne,close_out=No,companydescription=C.S. Osborne - Made in the USA,condition=New,condition_google=new,cost=37.340000,countrymade=Made in the USA,country_flag=no_selection,featured=0,flag=no_selection,identifier_exists=0,instock=in stock,madeby=Yes,manufacture_country=United States,product_image_size=Default,product_page_type=Default,shopping_ad_bestseller=Yes,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/54ae5aeb9d0643ddf310fd3f82873e40de18b7a8/original.jpeg,square_updated_at=0,sw_featured=No,sync_update_msg=Modified in Magento by harryepstein on 23/03/2017,url_path=8-wing-divider