Internal size of the pegs：27mm.
Material：Steel
GY6 Spanner Nut Socket.
Spanner Nut Socket for the Starter Clutch Nut on the GY6.
It has 4 pegs.
Socket is a 1/2" Drive
Usually used for most GY6 125 150cc engine
Package Included:
1 x GY6 Clutch Nut Tool