BERU ZE14-12 Ignition electrode 

Manufacturer: BERU
Type: Ignition electrode
Model: ZE14-12

Terminal Type M4 thread
Electrode Material Kanthal A1, Optional NiCR 8020, X10CrNi 188, X12CrNi 188, Ø 3,5 mm
Isolator Aluminium oxide AL2 03 > 95 % C 795
Thread Size M14 × 1,25
Reach 15/32″ (12mm)
Hex Size 1″ (26 mm)
Torque 45Nm
Length/Wire length from threaded end, 50 mm