This is the Ultimate Racing Clutch Bolt UR0638. Made of high quality steel and laser engraved. Designed with double head, the inside is 3mm hex and the outside is 5.5mm hex, so you can use a screwdriver wrench.
Ultimate RC Multibox with Lockable Lid 365x295x85 Sorting Box
Ultimate RC 3mm Black Aluminium Stop Nut Self Locking (10)
Ultimate RC Silicone Oil 40,000 cps # 75ml
Ultimate RC Male XT60 to 4.0mm Adapter
Ultimate RC Safety Gold Plug 5.0mm (2) Male Connector
Ultimate RC silicone oil 60,000 cps # 75ml
