uxcell 150mm Long 13mm Hex Socket Nut Driver Set Adapter Main Material: Metal; Package Content: 1 x Hex Socket Nut Product Name: Hex Socket Nut; Weight: 103g Main Color: Silver Gray; Socket Type: Hex Socket Hex Socket Width: 13mm/0.51"; Total Size: 150x19mm/5.9"x0.75"(L*Max.D) Hex Shank Width: 1/4"