5120-01-431-7130

Contains (12) Hex Keys Sizes: 0.05″, 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1/4″ & 5/16″. Short series has a arm length that is suitable for normal use. This hex key (Allen) wrench set makes it easy. It tightens and loosens fastener