HIGH PERFORMANCEThe measuring probe can easily penetrate deep inside the tire tread. Compact and lightweight, easy to use. HIGH PRECISIONLaser engraving scales, clear and precise. Feel free to use the Tire Tread Depth Ruler in any of your home improvement or professional projects with perfect results. PROFESSIONAL GRADEThis depth gauge is used to measure the anti-slip tread depth of different tires to understand their wear condition over time. STAINLESS STEELThis tread depth gauge is made of stainless steel, which is wear-resistant, impact-resistant and durable. HOW TO USEPush the probe to the end, Push the size to the end, check the value. Small and exquisite, easy to store and carry, providing you with much convenience.