aftermarket Caterpillar Moldboard End Bit. Fits Motor Graders. Part number 7D-2052. NSN 3805-00-431-6561. Get them here and save a ton of $$$, SPECS: MRC Parameter Characteristics ABGL Width 6.000 inches nominal ABNM Thickness 0.438 inches nominal ABRY Length 18.688 inches nominal ALSQ Beveled Feature Included AMWT Reversibility Nonreversible APTD End Type Outside beveled BCXF Bolt Hole Shape Square BWJD Bevel Type Double BWJG Center to Center Distance Between Bolt Holes from End to End 1.375-4-4-4-4-4 in. BWJH Hole Width Across Flats 0.750 inches nominal BWJJ Countersunk Bolt Hole Included BWJK Bolt Type for Which Designed Square neck BWJL Bolt Size for Which Designed 0.750 SHPE Shape Curved 15057 R5B3