Use Features：

1.Place the speed dial on the turntable and turn on themachine.

2. Turn on the incandescent lamp，close to speed dial about 5-10 cm.

3. Observed the corresponding 33.3/45 speed stripe on the speed dial .

If the fringes are stable and do not move, the speed is correct.

If the stripe is in the forward state, the speed is too fast.

If the stripe is in the retracted state, the speed is slow.

4.Can measure overhang.

5. Can be used for light record clamp.

6.The essential adjustment tool for LP vinyl record amateurs.

Specification:

Color: White

Material: High quality acrylic

Diameter: 78mm

Thickness：8mm

Package includes:

1 x 3in1 Tachometer

Note:

1.No retail package.

2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.

3.Due to the difference between different monitors, the picture may not reflect the actual color of the item.