300pcs E-Clips Assortment Set, 3mm-22mm Metal E Clip E-Ring Black Shaft Retaining Rings Assortment with Box: Amazon.com: Industrial & Scientific
E Type Circlips DIN 6799 - Springmasters
Amazon.com : Konseen E-Type Flash Hot Shoe Heavy Duty Clip Clamp Flash Reflector Holder Mount with 360° Swivel Ball Head Standard 1/4" Screw for Light Stand Bracket DSLR Camera Flash Speedlite Tripod-2Pack :