0.409" hole diameter 0.499" outside diameter 0.020" material thickness w/5 external straight keys, 0.120 in. wide by 0.078 in. long, 90 degree angle between first key key
3.397" hole diameter 3.880" outside diameter 0.085" material thickness two internal prebent keys, top of wedge to id 0.510 in., center of wire hole to id 0.400 in., center to bottom of key 1.630 in. min 1.640 in. max, tab to be straight 0.070 in. anodize surface treated
0.250" hole diameter 0.340" outside diameter 0.035" material thickness two drilled 0.0468 in. holes one located on the external tab opposite the internal tab key