To complement our medium size Whisker Poles (LC 10-18), Forespar® designed the stainless steel PE-3SF & PE-3SC Mast Pad Eyes. Measuring 2.750" x 2.000", both pad eyes have inside ring diameters of 1.625". PE-3SF is for flat mast surfaces. PE-3SC is slightly bent to better accomodate a curved mast.