Patent ID: 8365640

Claim:
An anti-slip wrench comprising: a handle having two grip surfaces being an upper grip surface and a lower grip surface, two lateral surfaces located on opposing left and right lateral surfaces of the handle, and an operation portion located on at least one end of the handle; and two slant slots formed on at least one of the two grip surfaces of the handle, each slot of the two slant slots extending across a corresponding surface of the two grip surfaces and communicating with the left and right lateral surfaces of the handle, each slant slot being a concave surface with two side edges engaging the grip surface respectively; wherein each slant slot is positioned at an included angle of 15 to 75 degrees or 105 to 165 degrees located between a slot axis of the slant slot and a longitudinal axis of the handle, each said slot axis of each of the two slant slots is located between two corresponding side edges.