LAB POINTS automatically raises tonearm at the end of the record on manual turntables extends stylus life easy installation adjustable height - can be configured to work with a variety turntables w/ included spacers only interacts with tonearm at end of record, does not affect sound quality "Designed to mount on a manual turntable, the AT6006R Safety Raiser automatically lifts the tonearm at the end of a record, protecting the stylus from damage. The raiser is equipped with a highly sensitive release antenna and a hydraulic lift with rubber lift bar, ensuring safe, smooth and dependable operation. Height adjustment knob and included spacers allow the raiser to be used with a wide variety of turntables with different tonearm heights." - Audio-Technica TECH SPECS lift bar movable width: 0.12" / 3mm dimensions: 0.55" x 1.06" x 1.54" / 14 x 27 x 39mm weight: 21g / 0.74oz COMES WITH 4x double-sided mounting tape 1x spacer (0.55"/14mm diameter x 0.47"/12mm height) 1x spacer (0.55"/14mm diameter x 0.94"/24mm height)