This set contains 2 #SU-218 and 2 #SU-158 Stainless Steel U-Brackets for mounting the wings to the 2X2 aluminum frame. of the Affordaplane.
Made of .125 stainless steel.
Maxair# SU158 A = 1-3/4" and Maxair# SU218 A = 2-1/8"
12 AN970-4 Flat Washers from Aircraft Spruce can be purchased to center the wing spar in the U-Bracket and take up the residual space.
(NOTE: THIS IS A KIT CONTAINING 4 BRACKETS ONLY ENTER 1 IN THE QUANITIY FIELD WHEN ORDERING)