Improved tool life, strength, and durability are key features of this V-Series 1/4 in., 3/8 in. and 1/2 in. Drive Ratchet Set. Constructed with precision-engineered gears, this professional-grade set includes multiple-sized Drive Ratchets. Their 80 and 96 tooth designs produce short arc swings that enable users to access the tightest of spaces without sacrificing strength.