String Instrument Accessories -Preamp Bridge Violin Pickup Highlights Generic Brand Preamp Bridge Violin Pickup Description: This set includes tone knob, volume knob, pickup bar with 2.5mm plug, Bausch 4/4 bridge, a sensor with transducer and a 6.35mm jack. Please note that the transducer must rest on a flat surface so this cannot be used on a traditional violin - must be used on a solid body or other design that has a flat point under the bridge. Use this set to amplify the sound of your instrument. Standard Deck: 4/4 bausch deck Size Chart: Pickup Bar Size: Approx. 41.2 x 5.5 x 2mm Audio Jack: 2.5mm End Jack: 1/4 inch / 6.35mm Package Includes: One Set Violin Pickup Note: Due to the difference between different monitors , the picture may not reflect the actual color of the item. Due to manual measurement, there may be an error of 1-2mm.