Features:*100% brand new and high quality*Item type: Engine Cylinder Hone Replacement Stones*Engine cylinder hone replacement stones. 3-piece packed.*Designed for profeional auto mechanics and heavy duty applications.*Stones are glued firmly to aluminum holder. Heavy duty construction ensures durability.Specifications:*Color: Silver*Material: SteelSpecification 1: 1-1/8" Engine Cylinder HoneSize range: 3/4" to 2-1/2"Grinding stone length: 28*6mmSpecification 2: 2" Engine Cylinder HoneSize range: 1-1/4" to 3-1/2" (32-89mm)Grinding stone length: 51*7mmSpecification 3: 3" Brake Cylinder HoneSize range: 2" to 7" (51-165mm)Grinding stone length: 76*10mmSpecification four: 4" Brake Cylinder HoneSize range: 2" to 7" (51-165mm)Grinding stone length: 100*11mmPackage Contents:1 Set Engine Cylinder Hone Replacement Stones(3pcs)Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightne of your monitor and light brightne.