A nice guide to indicate when to change tyre. Put gauge on tire, hold stable and press bar tip into tyre profile. Suitable for tread depth, brake shoe and pad wear. There is scale on the stretch pole.
eBay
100/150mm Digital Caliper Vernier Caliper Gauge Measuring Tool for Carpentry Tools with Carbon Fiber Dial and Electronic Ruler
Aliexpress UK
1 Digital Tyre Pressure Gauge. Versatile Application: Ideal for various vehicles including cars, SUVs, RVs, and motorcycles, this gauge's classic black design fits seamlessly into any tire inspection kit, for ensure it is both practical and stylish for all your tire maintenance needs.
eBay
IP54 Black Magnetic Based Digital Protractor Bevel Gauge Inclinometer With Backlight Bevel Box Angle Level
Aliexpress UK
Hardened and tempered stainless steel gauge. 11mm High figures in LCD display for ease of reading. Metric and Imperial calibration with conversion between the two. Zero setting control allows for comparative measurement. Supplied in storage case.
eBay
Mijia Camping Digital Thermometer Hygrometer Indoor Room Camping Mini Temperature Humidity Meter Sensor Gauge Weather Station
Aliexpress UK
Vernier Depth Gauge only, other accessories demo in the picture is not included. Type: Vernier Depth Gauge. 1 x Vernier Depth Gauge. Optional Scale Range: 0-60mm, 0-50mm,0-30mm. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
VALUE VRM2-X Digital Manifold Gauge With HD Display
Aliexpress UK
Tough composite sliding gauge. Range: 0-25mm(0-1").
eBay
52MM Narrowband Digital Air Fuel Ratio Gauge Kit 12 V Car Volmeter O2 Sensor Car Modification Accessories
Aliexpress UK
It features a sliding depth gauge with 0-25mm range. Tyre Depth Gauge. Digital Tyre Tread Depth Gauge. Tyre gauge. Sliding depth gauge with 0-25mm range.
eBay
SHAHE Rechargeable Digital Inclinomer, Mini Protractor Angle Finder With Dual Laser,4-side Strong Magnetic Angle Gauge
Aliexpress UK
1x Tire Tread Depth Gauge. Large LCD display. Brake shoe and brake pad. Note ：Due to the light and screen difference, the item's color may be slightly different from the pictures. Range: 0-25.4mm. Convenient to carry.
eBay
SHANHR Digital Angle Finder with Electronic Laser 4-Side Strong Magnetic Angle Gauge Woodworking Measuring Tool
Aliexpress UK
Tyre pressure gauge with integral tread depth gauge and work light. Push-button operation with backlit LED display for tyre pressure. Integral tread depth gauge reads up to 20mm. Auto-power -off. • Tyre pressure gauge with integral tread depth gauge and work light.
eBay
Thickness Caliper Thickness Measuring Tool 0‑12.7mm Thickness Gauge Caliper Meter Width Measure Tools Digital Display
Aliexpress UK