DescriptionThis is a professional anti-sliding LP Vinyl Recorder pickup calibration plate, made of premium material which is durable for long time use. It is practical for lp vinyl recorder, which can help to detection the of the needle.Features-Color: White-Material: Acrylic -Size: About 29.80X29.80X0.20cm/11.71X11.71X0.08in - Made of high-quality acrylic material, durable, firm and nonslip for us to use. - Light and accurate, it can bring a good and wonderful calibration effect. - It is a useful calibration distance gauge tool to adjust the vinyl records. - Side A is used to test the skidding force of stylus, Side B is used to calibrate the head. - Check the slide gauge needle calibration plate at a distance.