Description of π Compact and Convenient: Bestmaple Retractable Measure Ruler Keychain for On-the-Go Measurements
Plastic+Steel. Super mini size, compact and lightweight, easy to carry travel. Metric/imperial two kinds of measurement units. Keyring design, you can hang it anywhere you want. Simply pulling the measuring tape out and pressing the black button will keep the measurement locked in place. Anti-slip and durable, comfortable grip; Retract the measuring tape by pressing the black button.