New Boston Spur Change Gear GD-21 21 Teeth 1" Bore Steel GD21
New Boston Spur Change Gear GD-21 21 Teeth 1" Bore Steel GD21. Boston Gear. 14.5° Pressure Angle.. Condition: New other (see details) : A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitions , Seller Notes: “New In Sealed Package as shown.” .