Know: "active wrench"

The adjustable wrench is referred to as a wrench and is a tool for fastening and lifting a loose nut.

Allen wrench (Hexagon socket) (GB5356-85)--Nominal size (on the side): 2.5 to 36

Slotted Screw Driver (Slotted Screwdriver) (GB1432-78)--Specifications (Stem Length Without Rod × Rod Diameter): 50×3～350×9

Screwdriver (Phillips screwdriver) (GB1433-78)--Specifications (Shaft length without rod * Rod diameter): 50×4～400×9

Adjustable Wrench (GB4440-84)--Specifications (length×maximum opening width): 100×13～600×65

Double Ended Wrench (Double Wrench) (GB4388-84)--Specification (Opening Width): 2.5-80

Torx Wrench (GB4388-84)--Specifications (width to side): 5.5～36

Socket Wrench (with Swing) (GB3390.2-82)--Specifications (width at opposite sides): 6.3-63

The inventor of the adjustable wrench was Swede Johansson (1853-1943) who invented the adjustable wrench in 1892.

Adjustable wrench market brand

First place: well-known trademarks;

Two to four: famous brands;

Five to ten: well-known brands.

1, Pan Yi Hardware (China Well-known trademark)

2, Tiannu Hardware (China Famous Brand)

3, Hui Tai Long Hardware (famous brands,)

4, top hardware (famous brands)

5. Modern Hardware (well-known brands)

6, Aojie Hardware (large enterprise)

7. Ikov (Germany, 1980)

8, GMT Dongfeng Hardware

9, Siligo Hardware

10, famous