High-quality materials, environmentally friendly,  safe and reliable, durable and long life.Excellent craftsmanship, Smooth without burrs, quick and simple use.

- M3 series is suitable for 5.5mm wrenches.

- M4 series is suitable for 7mm wrenches.

- M5 series is suitable for 8mm wrenches.

- M6 series is suitable for 10mm wrenches.

- M8 series is suitable for 13mm wrenches.

- M10 series is suitable for 17mm wrenches.

- M12 series is suitable for 19mm wrenches.

- M14 series is suitable for 22mm wrenches.

- M16 series is suitable for 24mm wrenches.

- M18 series is suitable for 27mm wrenches.

● System of Measurement: Metric

● Standard: GB /T 5783 ( ISO 4017 ) ( DIN 933 )

● Drive Style: Wrench 

● Material: A2-70 Stainless Steel  (304 Stainless Steel)

● Color: Natural color

● Head Style: Hexagon Head

● Fully Threaded, Coarse Thread

● Thread Specification: M3, M4, M5, M6, M8, M10, M12, M14 , M16 , M18

● Thread Diameter: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm

● Length: 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 65 mm, 70 mm, 80 mm, 90 mm, 100 mm, 110 mm, 120 mm, 130 mm, 140 mm, 150 mm, 160 mm , 170 mm , 180 mm , 190 mm, 200 mm  ( Does not include head length.)