Compatible with all Concord (SME) systems and traditional headshells (Ortofon, Stanton Trackmaster, Shure M44-7, Whitelable, Stanton 500, etc...). Waterproof 1680D ballistic nylon, integrated PVC body and soft interior foam, zippered mesh compartment for tools, replacement needles, etc...Measurements: Exterior 10 x 17 x 5cm, Interior 9 x 16 x 4cm.