Uxcell a13030500ux0024 Metal Flex-Head Open End Wrench Combination Spanner 13mm Product name: combination wrench; material: metal Type: hex socket end, open end; color: silver tone Opening size: 13 mm/ 0.5"; total size: 20.8 x 2.9 x 0.5Cm/ 8.2" x 1.1" x 0.2" (l*w*t)