Spring loaded, the product can be driven by a 1/2″D power bar or 24mm ratchet or wrench. You may be asked to sign in. 14mm 3/8 Drive Spark Plug Wobble Socket FITS BMW 5 SERIES E60-N43B 12Point LL. 14mm 3/8 Drive Spark Plug Wobble Socket FITS BMW 3 SERIES E90 – N43B 12Point LL.