Stainless Steel Rectangular Bases 90 deg which is designed for strength and is highly polished finish for outstanding corrosion resistance. A = 3-1/8" B = 1-7/8" C = 1-1/2" D = 7/8" Installs with four #6(M6) screws (sold separatedly) MPD_205dRegular price: $23.99Sale price: $7.98