Manually operated sockets.
Knurled base.
Contact drive profile (CD) has even wave contour.
With CD turning force is applied to the flanks of the bolt resulting in a more even distribution of force.
Fits bolt heads outside the greater contact area.
Also suitable for slightly damaged bolt heads.
Does not damage the bolt head as there is no force on the edges.
Chrome vanadium steel 31CrV3.
Chrome plated and polished.
Supplied in blue powder coated steel case with matt black finish insert.