PRO.TOP SPOOL BAR FOR STIHL MOTOR SAWS MODELS: 023 - 025 - MS230 - MS231 - MS250 - MS251 CHARACTERISTICS: CUTTING LENGTH: 45 cm INCHES: 18" WIDTH: 325" THICKNESS: 1.3 mm KNIVES: 68 OREGON EQUIVALENCY: -- ATTACHMENT EQUIVALENCY: OREGON TYPE A074 CODE: 54.110.2521 Y ORIGINAL CODE: CZ