These large service entrance staples are made of high-quality steel for durability, strength, and ease of driving. 10 per card. No. GSE15310: 1-3/8 L. x 13/16 W., for use with SEU No. 6 with ground No. GSE-15410: 2-7/16 L. x 1-1/16 W., for use with 4/3...