The Front Runner 4 piece tool kit is all you need for moving around rack accessories, reconfiguring Slimline II Roof Rack slats, and general Front Runner accessory adjustments. This high quality kit is compact and can be stored within easy reach.Includes the following: 1 x 5mm Ball type Hex Key 1 x 4mm Ball type Hex Key 1 x 10mm Ratchet Wrench Tool 1 x 13mm Ratchet Wrench Tool