This is a A-548K6 Micro-Rib V-Belt (54.8") PN: 548K6Main Description As Following : A-548K6 Micro-Rib V-Belt (54.8") P.N: 548K6 6 Rib X 54.8 K Micro Rib Polyester CordColor: BlackLength: 54.8Material: Polyester CordMetric Code: 6PK1392Number Of Ribs: 6Outside Length: 55.43"Pitch Length: 54.8"Thickness: 0.18Type: K Micro RibWidth: 6 Rib Crossed From: K060548 GATES , 4060548 GOODYEAR , 5060548 DAYCO , 6PK1391 A & I METRIC BELTS , 6PK1392 A & I METRIC BELTS , 6PK1393 A & I METRIC BELTS Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 6 Rib X 54.8 K Micro Rib Polyester Cord Color: Black Length: 54.8 Material: Polyester Cord Metric Code: 6PK1392 Number Of Ribs: 6 Outside Length: 55.43" Pitch Length: 54.8" Thickness: 0.18 Type: K Micro Rib Width: 6 Rib