The Kincrome Hex Key Wrench Set 30 Piece Imperial & Metric is the ultimate toolkit for anyone who needs to work with hexagonal fasteners. Made from high-quality 6150 Chrome Vanadium Steel (Cr-V), these wrenches are hardened, tempered and chemically blackened for maximum durability and corrosion resistance.The set includes a range of 15 metric and 15 imperial wrenches, with sizes ranging from 0.7mm/0.028" to 10mm/3/8". The long arm on each wrench is especially useful when working in tight spaces, with the length varying from 65mm to 170mm depending on the size of the wrench.This set comes packaged in a sturdy plastic case, making it easy to store and transport. With its comprehensive range of sizes and high-quality construction, the Kincrome Hex Key Wrench Set 30 Piece Imperial & Metric is the perfect tool for anyone who needs to work with hexagonal fasteners. Features: Made from high quality 6150 Chrome Vanadium Steel (Cr-V) that has been hardened, tempered and chemically blackened for ultimate durability; Long arm is especially useful when working in tight spaces and length varies from 65mm on the 0.7mm/0.028" through to 170mm on the 10mm/3/8" size; Packaged in sturdy plastic case; Includes: 0.7, 0.9, 1.3, 1.5, 2.0, 2.5, 3.0, 4.0, 4.5, 5.0, 5.5, 6.0, 7.0, 8.0, 10.0mm Short Arm. ; 0.028, 0.035, 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8" Long Arm; Not sold individually