Clear round timing plugs assist in the proper timing of your Harley Motor. Available in a Hex and Non-Hex design. A simply yet effective tool to properly time your Harley motor. Not only that, but it looks great! Designed to fit all Harley Models. NOTE: This timing plug does NOT have a hex cutout, so you will need to tighten it by hand or VERY carefully with a wrench. Clear round timing plugs assist in the proper timing of your Harley Motor. Available in a Hex and Non-Hex design. A simply yet effective tool to properly time your Harley motor. Not only that, but it looks great! Designed to fit all Harley Models. NOTE: This timing plug does NOT have a hex cutout, so you will need to tighten it by hand or VERY carefully with a wrench. Dimensions: Length = 13/16" Width = 3/4" OD = 3/4" Finish: Clear Accommodates: Fit all Harley Models.