Measures tire tread depth in 32nds of an inch. Milton #448 Tire Tread Depth Gauge///brand_for_product_detail=Milton,close_out=No,companydescription=Milton - Made in the USA,condition=New,condition_google=new,cost=3.370000,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=No,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/287910dd8958dbad794ca2123fe9d0d2582db624/original.jpeg,square_updated_at=0,store_price=4.400000,sw_featured=No,sync_update_msg=Modified in Magento by harryepstein on 11/04/2017,url_path=tire-tread-depth-gauge