This product data sheet is originally written in English. 9x Bigger Carbide Tipped Valve Seat Cutter Set For Vintage & Modern Cars & Bikes. CUTTER SIZES AS UNDER. 1.1/2 – 20 DEGREE ANGLE CUTTERS. 1.5/16″, 1.7/16″, 1.1/2″, 1.5/8″ – 45 DEGREE. All These Cutters Double Sided Face Cutters Pilot Sizes – 5/16″ & 7/16″. All Pilots Are Soft And Centered Both Ends, For Easy Reduction Of OD To Suit Your Requirements This Item Is Manufactured From High Grade Carbide, Each Cutter In Accurately Grade For Best Results, Ideal For The Vintage Car Or Old Engine Restorer. 9x Bigger Carbide Tipped Valve Seat Cutter Set For Vintage & Modern Cars & Bikes CUTTER SIZES AS UNDER 1.1/2″ – 20 DEGREE ANGLE CUTTERS 1.5/16″, 1.7/16″, 1.1/2″, 1.5/8″ – 45 DEGREE All These Cutters Double Sided Face Cutters Pilot Sizes – 5/16″ & 7/16 All Pilots Are Soft And Centered Both Ends, For Easy Reduction Of OD To Suit Your Requirements This Item Is Manufactured From High Grade Carbide, Each Cutter In Accurately Grade For Best Results, Ideal For The Vintage Car Or Old Engine Restorer.