Durable HSS 131-Piece Thread Repair Kit. Why Choose Our Durable HSS Thread Repair Kit?. 25 each of thread inserts: M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5; 10 each for M12 x 1.75. Dependable stainless steel inserts ensure long-lasting, stable threads.
