These cup-type filters are made of 7 and 16 gauge construction and can withstand up to 85 ft. lbs. of torque. Cup-type design grips like a socket thus minimizing the possibility of crushing filters. Used with 3/8-in. drive. Available sizes: No. 785 65mm (2-9/16-in.) – 14 flutes – 1 step Fits: Champ, Hastings, FM/AC, Wix, Napa, Purolater, Diahatsu, Toyota. No. 788 74mm to 76mm (2-29/32-in. to 3-in.)15 flutes – 2 step Fits: Fram, AC, Saturn. No. 789 76mm (3-in.) – 14 flutes – 1 step Fits: Champion, Champ, Lee, Purolator, Mopar, VW, Porsche, Mercedes, BMW. No. 791 93mm (3-21/32-in.) – 15 flutes – 1 step Fits Casite, Champ, Champion, GM, Fram, Hastings, Purolater, Wix, Nissan, VW, Porsche,Renault.