THE SUNNEN W47-A45 HONING STONE SET IS A PRECISION MACHINING TOOL DESIGNED FOR HONING APPLICATIONS WITH A SIZE RANGE OF 4.1 INCHES TO 60 INCHES (104 MM TO 1524 MM). THIS SET IS CONSTRUCTED FROM ALUMINUM OXIDE, MAKING IT SUITABLE FOR USE WITH AN-815 AND ANR-275 MODELS. IT FEATURES A 150 GRIT, WHICH IS IDEAL FOR ACHIEVING A FINE FINISH ON MACHINED SURFACES. THE HONING STONES ARE LIGHTWEIGHT, WITH A TOTAL WEIGHT OF 0.8600 LBS, FACILITATING EASE OF HANDLING AND INSTALLATION. THIS SET IS ENGINEERED TO OPTIMIZE MACHINING PROCESSES BY PROVIDING CONSISTENT AND RELIABLE PERFORMANCE IN HONING OPERATIONS.