Retainers & Hiders > Double Flare > 4 gauge ~ 5mm > 1 gauge ~ 7mm > 0 gauge ~ 8mm > 00 gauge ~ 9.5mm > 7/8 inch ~ 22mm > 1-1/4 inch ~ 32mm > 1-5/8 inch ~ 41mm > 1-3/4 inch ~ 44.5mm > 1-7/8 inch ~ 48mm