Keyring caliper
The FOFUS Keyring Caliper is a miniature precision measuring tool you can carry every day. Designed for crafters, scale modellers, miniature hobbyists, and makers, this compact caliper attaches directly to your keyring so accurate measurements are always within reach.
Why carry a keyring caliper?
Whether you are at a craft market checking if a piece fits your project, at a hardware store verifying a bolt size, or at your workbench needing a quick reference measurement, pulling out a dedicated measuring instrument is inconvenient. The keyring caliper solves this by sitting alongside your keys — small, flat, and always present.
Features
- Compact ruler markings in millimetres — readable at a glance
- Lightweight PLA construction — durable without adding keyring bulk
- Standard keyring attachment — compatible with any key clip or carabiner
- Ideal for scale modelling, resin casting, jewellery making, and general craft measurement
Who is this for?
Scale modellers working in 1:12, 1:48, or similar ratios. Jewellery makers who need quick stone and wire gauges on the go. Miniature painters checking base diameters. Anyone who finds themselves wishing they had a ruler at inconvenient moments.
Made in Thrissur, Kerala, India by FOFUS. Ships pan-India.