Features: Black model: upgraded more accurate metal probe, improved measuring head, can easily adapt to more demanding measurement conditions, 90% of the size of the 3D printers can be easily measure . Achieve precise printing with our 3D Printers Belt Tension Measurement Tool. Accurately adjust your Printers belts for better performances plastic measurement tool. Perfect for 3D printing enthusiasts, our measurement tool is a valuable accessory for achieving good quality print. Improve your 3D printing experience with our Belt Tension Measurement Tool the essential tool for optimizing print result. Specifications: Item:2GT Timing Belt Tensiometer Types: Synchronous Belt Tension Gauge Material: Plastic for 2GT Timing Belt Color:Upgraded Black Note: Due to the problemsof lighting effect and shooting, there might be tolerances in product, please understand. Please allow 0-1cm error due to the manual measurment Package includes: 1PCS 2GT Synchronous Belt Tension Gauge