The Gearwrench 12 PC Combination Ratcheting Wrench Set is a collection of professional grade box-end wrenches
The set includes 8MM, 10MM, 12MM, 13MM, 14MM, 15MM 5/16′, 3/8′, 7/16′, 1/2′, 9/16′ and 5/8′ wrenches
They include a surface drive design that virtually eliminates fastener rounding
The tools are chrome plated with a mirror finish for durability
The ratcheting box-end can work tight; it needs as little as 5 degrees of movement to move fastener

Sears