Made of forged chrome vanadium steel for durability. This kit is a must for every boatsman. Contents are secured in place in an attached style tough molded carrying case. Kit Contains:(8) Combination Wrenches, 5/16″ – 3/4″(2) Screwdrivers: 1-1/2″ (Phillips/Slotted)(2) Screwdrivers: 4″ (Phillips/Slotted)(1) Screwdriver 8″ (Slotted)(1) Circuit Tester(1) 9″ Crimping Tool(30) Terminals(1) 9-1/2″ Water Pump Pliers(1) 10″ Extension Bar(1) 10″ Sliding Bar(6) Allen Wrenches(1) Battery Cleaning Brush(1) 5″ Extension Bar(1) 10″ Locking pliers(1) 1/2″ Drive Ratchet Handle, 10″(1) Hammer(1) 1/2″ Drive Spark Plug Socket(1) 1/2″ Drive Universal Joint(1) Gapping Tool(13) 1/2″ Drive Sockets, 5/16″ – 15/16″(1) Carrying Case