Haute Dauge Mini Micro Prong Links 3/4" 4 prongs per pack Haute Dauge Micro Prong Links | 4 Prong links per pack | 1.6 mm | 3/4 inch long | Steel Prong link measures approximately 1/2 inch wide x 3/4 inch long. Prong links are shown linked together. This Micro Prong Link fits the Haute Dauge Micro Prong Training Collar. Image shows the Micro Prong Link 1.6 mm on the far right of other sizes. This is to only illustrate size comparison of commonly used prong sizes in various training collars. The prong link sold in this listing is specifically the 1.6 mm Micro Prong Link as indicated in the Listing. Read the additional Product Description Section for instructions for sizing, fit, and care