V Belt Idler Pulley fits Prime Line 7-05310 7-05341 705310 705341One New Aftermarket Replacement IV 80M V Belt Idler Pulley (Steel) with Heavy Duty Bearing that fits several makes and models including: Murray, Fits Stens, Rotary, Oregon, Fits Toro Wheel Horse, and more Material: Steel Idler Description: IV 80M Inner Diameter: 0. 50" Outer Diameter: 3. 00" Please Refer to Diagram for the following measurements: Dim A) 3. 00" Dim B) 2 1 16" Dim C) 1 2" (Bore) Dim D) 1 2" Dim E) 0. 240" Dim F) 0. 240" Dim H) N A Dim