High quality 131 pieces auto engine block damaged thread repair tool kit with metal case includes commonly used sizes. Perfect for restoring damaged threads and suitable for engine and other automotive applications. The kit has altogether 131 pieces, all made according to professional standard. It has one HSS tap for each size, one HSS drill for each size, 2 insert tools for each size, thread inserts for each size all come complete in a handy storage case.High quality 131 pieces auto engine block damaged thread repair tool kit with metal, Package includes commonly used sizes. Perfect for restoring damaged threads and suitable for engine and other automotive applications. Repair Damaged Threads It is used for car demolition throttle, seat chair, door lock, fender, suitable for car interior decoration. Suitable for motorcycles, bicycles, maintenance, suitable for removing various shapes of screws and nuts. Auto repair tool combination set, manual hardware tool combination, small flying wrench set, suitable for dismantling throttle, air filter and other small accessories.5pcs x Twist Drill Bits 5pcs x Installation Tools 5pcs x Break Pin Tools 5pcs x Taps 1pc x Hex key 25pcs x Wire Thread Inserts M5 x 0.8 x 6.7mm 25pcs x Wire Thread Inserts M6 x 1.0 x 8.0mm 25pcs x Wire Thread Inserts M8 x 1.25 x 10.8mm 25pcs x Wire Thread Inserts M10 x 1.5 x 13.5mm 10pcs x Wire Thread Inserts M12 x 1.75 x 16.3mm 1pc x Storage Case