C512 fork is made of aluminum alloy compressive material, lightweighted and durable, high accuracy, more likely to ring and more persistent ringing frequency. Non- aluminum alloy, sturdy and smooth to touch, firm, will not hurt your palm when the fork. Features - - Material: Aluminium alloy. - Size: 17.00X2.00X1.70cm/6.68X0.79X0.67in - This C-512 fork can be useful when facilitating tests, students science , hearing evaluation, audio testing, etc. - The quality alloy material will help to maintain the accurate performance of the fork, thus to provide you with a better experience. - This of fork is easy to carry with a storage bag. - Made of non- aluminum alloy, sturdy and smooth to touch, firm, will not hurt your palm when the fork. Package list: 1 x set of 512 Cps fork Clinical Grade Aluminum Alloy Tuning-fork with Silicone Hammer and Carry Bag for Nerve Sensory Audio Testing