, Strong Galvanized Steel Ribbed Rust Resistant Frame Holds A Tapered Die Cast Aluminum Spool Designed For Ease Of Starting Wire Alignment, 2 Extra Teeth On Spool Provide Easier Wire Tightening Action Control, Requiring Less Clip Turning To Hook Into Next Tooth, Increased Spool Hub Thickness Provides Extra Strength To Accommodate Using Up To 15748, 4 mm, Gauge Fence Wire, Wire Can Be Threaded Through Strainer Instead Of Tying An Extra Knot, High Quality Spring Loaded Locking Clip, Works On High Tensile, Barb Woven Wire