Coil sleeve - 2-1/16 inch with flange
Ships from US and is sold by Marco Specialties$0.75
Coil sleeve - 2-1/16 inch with flange
#03-7067-5
Coil sleeve - 1/2 x 2.187 inches with 3/16 inch flange.
Shoulder (extension) is 0.187 inch or 3/16 inch.
Reference:
0.06 oz