11-Pieces inch with Pouch 15 in. Arm. Contains inch sizes: 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 5/16 in. and 3/8 in. These Eklind tools are made with Eklind alloy steel that is heat treated, quenched and tempered for optimum strength, torque and ductility for safety and coated with a rust resistant finish.