Friction Nuts EF-5N Light Friction Nut 4.75MM EF-6 Light Friction Nut 4.90MM EF-8H Heavy Friction Nut 4.29MM EF-9N Extra Light 4MM EF-10N Light Friction Nut 4.80MM EF-11N Light Friction Nut 5.50MM EF-2 Medium Standard Wgt. Friction Nut 5.60MM EF-12N Medium Standard Wgt. Friction Nut 5.70MM EF-16 Medium Friction Nut 6MM EF-13N Medium Heavy Friction Nut 6.40MM EF-14 Heavy Friction Nut 5.70MM EF-15 Heavy Friction Nut 6MM EF-22 Medium Friction Nut W/ Design 7MM EF-24N Medium Friction Nut 7.50MM EF-24S Small Hole Friction Nut 7.50MM EF-24H Medium Friction Nut 7.50MM EF-28HN Heavy Friction Nut EF-23XHN Extra Heavy Friction Nut 6.50MM EF-25JN Jumbo Friction Nut 10MM EF-25JNF Jumbo Friction Nut YGF 10MM EF-29 Jumbo Friction Nut W/ Design 9.30MM EF-HRT-SM Small Heart Shaped Friction Nut 4MM EF-HRT-MED Medium Heart Shaped Friction Nut 5.50MM EF-HRT-LG Large Heart Shaped Friction Nut 7.50MM EF-1N Surgical Steel Earring Nut 6MM EF-3N Friction Nut 5.30MM PLAS.DISC Plastic Disc 12MM COMFY BACK Comfy Back SNUGS Sungs EFN-BELL Silicone Friction Nut 4.85MM EFN-MD-DISK Silicone Friction Nut 9.50MM EFN-MUSH Silicone Friction Nut 6MM EFN-OV-DISK Silicone Friction Nut 11MM EFN-OV-MUSH Silicone Friction Nut 6MM EFN-PROMO Silicone Friction Nut 5.27MM EFND Silicone Friction Nut 8.50MM