Catalog number: 6131500 Features: * Knurling prevents the bolt from slipping out of your hand. * The unit drive increases the contact area, making the bolt less likely to chip. Specifications: * Diagonal size (mm): 21 * Socket size (mm): 12.7 * Total length (mm): 41.5 * Diagonal shape: Hexagon * Model: 19 * Diagonal size (mm): 21 Material/Finish: * Chrome vanadium steel (CR-V)
