Decent quality high speed steel tap.
M12 x 1.5mm THREAD TAPER & PLUG SET by US PRO TOOLS HSS thread repair tap
M10 x 1.0mm THREAD TAPER & PLUG SET by US PRO TOOLS HSS thread repair tap
M18 x 1.5mm THREAD TAPER & PLUG SET by US PRO TOOLS HSS thread repair tap
M12 x 1.25mm THREAD TAPER & PLUG SET by DSD TOOLS HSS thread repair tap
M14 x 1.5mm THREAD TAPER & PLUG SET by US PRO TOOLS HSS thread repair tap
M10 x 1.25mm THREAD TAPER & PLUG SET by US PRO TOOLS HSS thread repair tap