Specification Brand : Buachois BulletPoint1 : PREMIUM MATERIAL: Spring dynamometer is made of premium plastic and iron materials, the polished design ensures accurate measurement.Spring dynamometer has adjustable pointer and scale plate for easy reading of force. BulletPoint2 : EASY TO OPERATE: Newtonian dynamometers are designed with standard construction and are easy to operate, helping you to complete laboratory and teaching activities efficiently. The portable spring dynamometer is easy to use and suitable for hands on operation by students. BulletPoint3 : PRACTIBLE: The spring dynamometer is manufactured to exacting standards with clear and precise scales. The spring tester can be used for demonstration of physics and mechanics teaching for middle school students and common instrument for student experiment. BulletPoint4 : WIDE APPLICATIONS: The spring dynamometer is suitable for force measurement and tension measurement. Ideal for teaching experiments and lab equipment. Widely used in school and labtory. BulletPoint5 : GOOD AFTER SALES SERVICE: If you have any questions, please contact us, we will solve it for you within 24 hours. Your satisfaction is our pursuit. We are committed to providing customers with a pleasant shopping experience and satisfactory after sales service. Color : 220磅 ExternallyAssignedProductIdentifier : 6955629902560 IncludedComponents : NO ItemName : 4pcs Spring Dynamometer, Force Meter Spring Scale, High Accuracy Meter Spring Dynamometer Bar for Student Physics Experiment Teaching Demonstration with Hook(1N) ItemPackageDimensions_Height : 18.11 inches ItemPackageDimensions_Length : 12.8 inches ItemPackageDimensions_Width : 3.35 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-spring-scales Manufacturer : Buachois Material : Plastic MeasurementAccuracy : 0.5 ModelName : 220磅 ModelNumber : PAU_0KGW NumberOfItems : 220 PackageLevel : unit PartNumber : Buachoisv4d0bhtwko-11 ProductDescription : Specification: Item Type: Spring Dynamometer Material: Plastic, Iron