●Designed to be an easier way to remove oil filters, comes with a useful adapter to connect with any 3/8″ or 1/2″ drive ratchet. ●contents: 1PC 2-3/4" to 3-1/4" (69.85mm to 82.5mm),stainless steel. 1PC 3-1/2" to 3-3/4" (88.9mm to 95.25mm),stainless steel. 1PC 4". to 4-1/2" (101.6mm to114.3mm),stainless steel. 1PC 4-3/4" to 5-1/4"(120.65mm to 133.35mm),stainless steel. 1PC Oil Filter Pliers 2-1/2 "to 4-5/8" (63.5mm to 116mm),Carbon Steel. 1PC Remove all oil filters from 2-1/2" to 4" in diameter ,Carbon Steel. 1PC Adaptor 1/2(F) N 3/8(M) Square drive Tool , A3 Steel.