8pcs Inline Skate Screws Roller Skate s with Bearing Spacers, Length 31mm, Diameter 6mm - Walmart.com
10Pcs Roller Skates Parts Axle Male & Female Screws Diameter 6mm *31mm/36mm for Adult Child Kid Free Skating Inline Skates Wheel
Amazon.com: 8pcs/Set Skate Shoes Axles Roller Skates Parts Axle Male and Female Screws for Child Kid Or Adult Free Skating Inline Skates (31MM) : Video Games
Amazon.com : Inline Skate Axle Metal Skate Screws Skate Replacement Screws for Repairing Changing Skates(31mm) : Sports & Outdoors
Powerslide Hex Mounting Screw 31 mm Blue | Xtremeinn