JTC-2033 20mm機油螺絲攻組

․Suitable for 18mm engine oil screw after skidded.
․Rethread by 20mm chaser.
․Then twist into 20mm screw + gasket.
․Contents:Tap:M20 x 1.5  1pc
                      Screw:M20   6pcs
                     Copper gasket:M20   6pcs