• Heat-treated steel, black oxide finish to prevent corrosion
• Use with 3/8" square drive ratchet
• Tough, durable, built to last
• Wrenches are specifically designed for 1 or 2 step models, fitting various flute designs on Fram, AC, Casite, Lee, Hastings, Motorcraft, NAPA, Purolator, STP, Pure One, Wix and some Japanese and European made filters
