Features 1.APPLICABLE MODELS: High accuracy cassette cauge (head and guide gauge) compatible with for Student ReVox, for TEAC, for BASF, for Nagar, for ABEX and Other Models of DVRs. 2.MAGNETIC: The thickness standard of the gauge plate is 2.4450.02mm, the thickness of the strip is 3.81?0.025mm, and the measuring plate is engraved with a magnetic head. Lower limit line, both sides of the gauge plate general. 3.WITH ALIGNMENT BAR: This is the cassette gauge with the alignment bar. The main plate is accuracy machined from two stainless steel rods. The alignment bar is made of stainless steel. 4.EASY TO SEAT: This gauge allows the user to set the tape guide height, head storke (depth of penetration into the cassette box )and heas zenith (tilt). 5.CHECK BAR: Stainless steel check bar, center reserved bayonet, convenient for machine test use, premium metal material, durable and wear resistant, easy to install, long service life. specificationItem Type: Head and Guide Gauge Mechanical Alignment Product Material: Stainless Steel Color: Silver Applicable Models: for Student ReVox, for TEAC, for BASF, for Nagar, for ABEX and Other Models of DVRs PackageList1 x CassetteHeadandGuideGauge 3 x CheckBar