This product combines a tire tread depth ruler, tire tread depth gauge, and brake pad thickness gauge in a compact pen style tool. It lets you measure brake pad thickness and tire tread without removing the wheel, making it easy to detect wear and keep your vehicle safe. Key benefits - Detect wear early: accurately measure brake pad thickness and tire tread depth to know when service is needed, reducing risk while driving. - No wheel removal required: convenient on-vehicle measurements that save time during routine checks. - Fast, precise readings: high precision measurements with an easy to read display for quick understanding. - Practical and reliable: a straightforward tool designed to support safe driving and proactive maintenance. What makes it stand out - Dual function in one tool: combines brake pad thickness measurement with tire tread depth measurement for efficient on vehicle assessment. - Clear results: readings are designed to be intuitive and easy to interpret at a glance. - User friendly: handheld, pen style design for convenient use by both DIY enthusiasts and professional technicians. - Broad compatibility: suitable for use on most cars, enabling routine checks without specialized equipment. How to use - Brake pad check: place the gauge at the brake pad area to determine thickness and identify wear beyond safe limits. - Tire tread check: use the tire tread depth ruler to assess tread depth and detect uneven wear or potential replacement needs. - Read results: interpret the built in scale to decide whether service is needed now or during the next maintenance interval. Specifications and performance - Function: measures brake pad thickness and tire tread depth without wheel removal; integrates brake pad detection in a single pen style tool. - Compatibility: designed for use on most cars. - Design: compact, handheld, pen style tool for easy handling and quick checks. - Precision: high precision, easy to read scales for reliable wear assessment. Use scenarios - Pre trip inspection: quickly verify brake pad and tire tread wear before a long road trip. - Routine maintenance: perform regular checks as part of scheduled vehicle maintenance without removing the wheel. - In car diagnostics: when you notice brake noise, vibration, or unusual tire wear, use the tool to assess wear levels on the spot. Maintenance and care - Wipe clean after use and store in a dry, safe place to preserve readability of scales. Notes - This tool provides wear readings to assist maintenance decisions but is not a substitute for professional inspection where required.