Set includes sizes 8mm, 10mm, 12mm, 13mm, 14mm, 17mm, 19mm Heavy Duty CRV Chrome Vanadium Steel that is drop forged and heat treated 72 - tooth ratchet gear only needs 5 degree of turn Combination Wrench Set includes plastic organizing case Lifetime Warranty - We guarantee all our products for life Edward Tools 7 Piece Ratcheting Wrench Set is a heavy duty metric combination wrench ratchet set. Made of Chrome Vanadium Steel this set is made to last a lifetime. The 72 tooth ratchet gear allows for use in tight spaces and only requires a 5 degree swing arc. This set includes sizes 8mm, 10mm, 12mm, 13mm, 14mm, 17mm, 19mm. Edward Tools 7 Piece Ratcheting Wrench Set comes with a lifetime warranty.