Acrylic Turntable Mat Cartridge Alignment Protractor Phonograph Cartridge Product Details Turntable Cartridge Alignment Protractor Mat,Anti-sliding LP Vinyl Record Pickup Calibration Plate Distance Gauge Protractor Adjustment Tool Ruler for Turntable Accessor,Turntable non-slip mat alignment phonograph Cartridge protractor stylus tool Features: It is a useful calibration distance gauge tool to adjust the vinyl records. Made of acrylic material, durable, firm and nonslip. Light and accurate, it can bring a good and wonderful calibration effect. Side A is used to test the skidding force of stylus, Side B is used to calibrate the head. Easy to use, one sided alignment mat provides a diagram for alignment. Specifications: Item Type: Pickup Calibration Material: Acrylic Size: Diameter: About 29.5cm Thickness: About 0.2cm Color: White Quantity: 1 Pc Package includes: 1 x Pickup Calibration Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Made of acrylic material, durable, firm and nonslip. It is a useful calibration distance gauge tool to adjust the vinyl records. Light and accurate, it can bring a good and wonderful calibration effect. Side A is used to test the skidding force of stylus, Side B is used to calibrate the head. Easy to use, one sided alignment mat provides a diagram for alignment. Package includes: 1 x Pickup Calibration;Size: Diameter: About 29.5cm,Thickness: About 0.2cm Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.