The bar rail closer is designed for when your chain becomes "sloppy" in your bar. You can judge this by the chains side to side movement in the rails of your bar. If you are experiencing this, your bar rails need to be "Closed". Once done properly, the chain should fit snugly between the rails with minimal side to side movement!

• Quickly And Easily Closes The Bar Groove To The Proper Thickness
• Matches Drive Links Width
• Heavy Duty Bearings Insure Long Wear
• Built-In Quality Insures Accurate Fail Safe Operation
• Fully Adjustable