Direct Fit Threaded Funnel: Oil funnel for oil change screws into filler neck to stabilize the engine oil funnel set during oil changes. Vehicle Specific Adapters: Oil funnels are compatible with Chrysler, Ford/Mazda, GM, Honda, Toyota/Lexus making this must have oil change tools. Transparent Lower Chamber: Oil change funnel monitors motor oil flow clearly to prevent overfill during refills. Wide Flow Passage: No spill funnel allows faster spill free funnel oil pouring to reduce mess and refill time. Complete Storage Set: Oil change funnel kit keeps funnel and adapters organized with included engine oil funnel kit storage rack.