Features: Engine cylinder hone replacement stones 2″ long 220 grit. 3-Piece Packed Fits 1-1/4″ to 3-1/2″ engine cylinder hone, deglazer of most brand. Stones are glued firmly to aluminum holder. Heavy duty construction ensures durability Includes 3 Cotter Pins for Easy to Install the Replacement Stones to deglazer. One-year warranty Specifications: Item: Engine Cylinder Hone Replacement Stones, 3Pcs Stone Size: 50.7mm/2-Inch long, 7.1mm/0.278-Inch Width, 5mm/0.195-Inch Height 220 grit Package Included: 3Pcs x Engine Cylinder Hone Replacement Stones. .