High quality professional socket spanner set 20–Piece lock-drive profile 3 / 8 inch made of chrome vanadium tool steel, in a metal box includes: 13 sockets: 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 19, 21, 24 mm, lever ratchet: teeth 36; with sliding T-handle: universal joint extensions: 75 mm and 150 mm, especially for spark plug use: 16 and 21 mm. Extra-sturdy lock-drive profile sits to the side edges of the tool / head of the bolt; reliable, new generation of efficient reversible ratchets – Professional high-quality 20–piece socket spanner set made from special chrome vanadium steel, matt surface for precise and safe long-term use in assembly, industrial and car workshops – tool kit in a strong, sturdy, powder-coated steel case. The lock-drive profile is not positioned at the corners of the 6–edges but to the side edges of the tool or the bolt head. This reduces the local pressure and ensures even force distribution, which protects both the tool itself and the screw head from damage. A cross section of the profile of this socket spanner set shows no grooves, which means that the contact point is not at the corners of the tool. The grooves of the profile are connected using linear sections, contact between socket key and tool is at two linear (flat) sections of the socket key and the side edge. In this way old, worn nuts can also be unfastened.
- High-quality socket spanner set 20–piece lock-drive profile 3 / 8 inch chrome vanadium steel metal box
- Lever ratchet: 36 teeth, with T-handle with sliding bar: universal joint
- 13 sockets: 6, 7, 8, 9, 10, 12, 13, 14, 15, 17, 19, 21, 24 mm
- Extra sturdy lock-drive profile sits at the side edges of the tool / head of the bolt
- Extension bars 75 mm and 150 mm, specially for use with spark plugs: 16 and 21 mm