WedsSport RACING SHORT NUT 19HEX

■1 set of 4 pieces
■48% lighter [Before 42g (steel nut) → After 22g (lightweight racing nut)]
■Total length: 35mm
■Flange diameter: φ25mm
■Width across flats: 19HEX
■Mounting seat: 60° taper seat
■Size: M12xP1.5/ M12xP1.25
■Effective screw: 26mm
■Key adapter outer diameter: φ26mm

For more details, please go through the below link
WedsSport RACING NUT