Heavy Duty NEW CYLINDER ENGINE HONE KIT 50 mm TO 75 mm / 2" to 3" WITH DIAMOND HONING STONES GRIT - Super Fine 320 COMPLETE HONING MACHINE - HONE KIT SIZE – 50mm to 75mm DIAMOND STONES – Super Fine 320 (1 SET = 4 STONES) Stone Size 3/8" x 3/8 x 4", 9.5 mm x 9.5 mm x 100 mm FREE TARIFF AND FREE DUTY FOR USA CUSTUMERS / BUYERS |