Apico Deep reach Plug wrench Size 10mm Thread / 14mm AF for the new KTM & Honda 4-Strokes. Designed for the later model KTM 4-strokes and the Honda CRF250R 10-20, CRF450R 09-20 This can be used with either a 1/4” drive ratchet, 13 /14mm spanner or T-Handle. The internal of the plug spanner includes a rubber retainer to ensure plug is held safely and avoid being dropped. PLUG WRENCH TO FIT 4 STROKE - DEEP TYPE MA NGK 10MM THREAD X 14MM SOCKET