Model:M6 security Bolfs, Suitable for with pitch P1.0,Screw length 20mm.
[Unique design and super anti-theft effect]- Smooth special camber, so that any other tools can not unlock. It can only be unlocked with a matching key.
Suitable for support, vehicles, awnings, lamps, mountain bikes, protective window nets, etc.
Each pack contains 304 stainless steel lock nuts and a 304 stainless steel security key tool.
Kit includes 4 bolf locks + 1 keys,The nuts is not included.