Crescent AT3 Adjustable Wrench Set Black Oxide Finish in 6, 8 and 10-Inch Contents: AT16 (6''), AT18 (8''), AT110 (10'') Wider handle provides more comfort and less stress to the hand Tension spring stabilizes jaw and knurl adjusts easily Proportioned dimensions for greatest strength and minimum weight Wider handle provides more comfort and less stress to the hand