TCMT SIDE TOOL STGCR/L 1212-F11 duracarb tnmg minimizes pump wear

minimizes pump wear

Superior engine wear protection and deposit control

There are many Chinese brands also making the same inserts so you can just check the description of the size from other brands to fix this insert

and unpainted components

TCMT SIDE TOOL STGCR/L 1212-F11 duracarb tnmg minimizes pump wearTool Type: External turning holder (Right = STGCR Left = STGCL) Insert Type: TCMT TCGT (triangular, positive 7 insert) Insert Size: 11 (TCMT 11T3 series) Shank Size: 12 12 mm (1212) Approach Angle: 90 (ideal for facing & shoulder work) Clamping System: Screw clamp (simple & quick insert change) Hand Type: Available in Right hand & Left hand