Oumefar Tuning Fork Virbration Experimental Instrument Healing Musical 440HZ Aluminum Alloy Part of Tuning Set with Wood Resonator Box Knocker

Features : physical experimental instrument , and practical . Two tuning forks of the same efficiency are made of the whole 45# carbon steel . The edges and corners are neat and the for surface is chrome plated , the frequency is 440 cycles per second . The tuning fork set is used to demonstrate the resonance of sound in school . Can be used as a general tuning fork of a variety of experiments , such as the sound of the occurrence , interference , sound conduction of various substances . Specification : Condition : brand new Frequency : 440 cycles per second Fork section size : 6 . 5 * 16mm / 0 . 3 * 0 . 6in Tuning fork arm length : approx . 109mm / 4 . 3in Distance between arms : 17mm / 0 . 7in Package List : 2* Tuning Fork 2* Wood Resonator Box 1* Knocker Note : 1 . The tuning fork should be protected from breaking and high heat to prevent frequency change . 2 . The tuning fork and the sound box should have a connection and should not be shaken when the tuning fork is inserted or removed .

• 【PRODUCT SPECIFICATION】 : The tuning fork arm length of this virbration tuning fork is approx . 109mm / 4 . 3in . Distance between arms : 17mm / 0 . 7in . Fork section size : 6 . 5 x 16mm / 0 . 3 x 0 . 6in . Frequency : 440 cycles per second
• 【PRODUCT DESCRIPTION】 : Two tuning forks of the same efficiency are made of the whole 45# carbon steel . The edges and corners are neat and the for surface is chrome plated , the frequency is 440 cycles per second
• 【SCOPE OF APPLICATION】 : This healing musical instrument can be used as a general tuning fork of a variety of experiments , such as the sound of the occurrence , interference , sound conduction of various substances
• 【PRODUCT FEATURES】 : The tuning fork set is used to demonstrate the resonance of sound in school . physical experimental instrument , and practical
• 【PACKAGE & TIPS】 : This package includes 2 tuning forks , 2 wood resonator boxes and 1 knocker . Please check our product size carefully and read the product size descriptions before purchasing to avoid possible unpleasant shopping experience