9PC THREAD CHASER SET - For the repair of internal and external threads. IDEAL FOR - drive shafts, oxygen sensors, wheel bolts and a wide range of applications. THREAD SIZES - M28 x 1.5, M27 x 2, M24 x 1.5, M22 x 1.5, M20 x 1.5, M18 x 1.5, M16 x 1.5, M14 x 1.5. STORAGE CASE SUPPLIED - Keeps all thread chasers in one convenient place. ONE YEAR GUARANTEE FROM A REPUTABLE UK COMPANY – Founded in 1978, Sealey is a large family run business with a vast product range. Trusted by professionals, all Sealey products are thoroughly tested and backed by unrivalled aftersales service.