Buckingham 1373L Tree Saddle, Large Chain Type_90PX You will need a punch

You will need a punch or drill to extract old rivets to remove the damaged sprocket

Reference chart provides a quick link count for 1/4"

Features the same durable quality and performance you've come to expect from Oregon

The Greenteeth design is superior because they can also be rotated to expose fresh cutting surfaces

Hydraulic Assist Saw Chain Bench Grinder Scales Kit For 620-120 Hydraulic Assist Saw Chain Bench Grinder & 551462 (OBS)

Buckingham 1373L Tree Saddle, Large Chain Type_90PX You will need a punchFloating dee padded wide 5 1 2" back saddle, constructed of rubberized belting material providing superior comfort