Anti-Overflow Design: Prevent spills with threaded nozzle tube and cover featuring a rubber seal for secure closure. Tighten the oil outlet cap to ensure safety during transport or storage without leakage. High-Quality Material: Crafted from durable plastic, this kit boasts a one-piece hose design with enhanced toughness. Bend freely without breakage, thanks to the sturdy construction and thicker rubber gasket for leak prevention. Versatile Nozzle Replacement: Upgrade your gas tank nozzle with a longer hose suitable for 1/2/5/10-gallon tanks. Compatible with 1.7in-1.82in tank mouths, offering flexibility and convenience for various refueling needs. Wide Tank Compatibility: Choose between two vent cap options for tanks with or without existing vents. Easily install Gas Tank Vent Cap-A by drilling or replace old caps with Gas Tank Exhaust Cap-B for efficient usage across different tank types. Easy Installation Kit: Each set includes threaded pipe, spout cap, vent cap, and necessary drill bits for hassle-free installation of gas vent caps. Enjoy a straightforward setup process for immediate use and enhanced functionality. Description: Ensure safe and spill-free refueling with this Oil Tank Stopper featuring an anti-overflow design. The threaded nozzle tube and cover, along with a rubber seal, prevent oil spillage even during transport or when the tank is closed. Crafted from high-quality plastic, this kit offers durability and flexibility. The one-piece hose design ensures strength and allows bending without breakage. The thicker rubber gasket securely installs the bottle cap to prevent leaks. With a longer hose length and compatibility with various oil tanks, this kit is versatile. Choose between two gas tank vent caps for easy installation based on your tank type. Each set includes all necessary components for a hassle-free setup. Item Name: Gas Can Spout Cap Material: Plastic Applicable Scope: Gas Tank Features: Leak-proof, Easy-to-use, Wide Compatibility Size Details: Hose: Size: 20cm x 2.15cm/7.87" x 0.85" (Approx.) Gas Tank Vent Cap-A: Size: 2cm x 1.8cm/0.79" x 0.71" (Approx.) Gas Tank Exhaust Cap-B: Diameter: 0.8cm/0.31" (Approx.) Threaded Spout Cap: Diameter: 2.21cm/0.87" (Approx.) Rubber Gasket: Diameter: 1.8cm/0.71" (Approx.)/ Diameter: 2.01cm/0.79" (Approx.) Base Cap: Diameter: 4.6cm/1.81" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 Set x Threaded Spout Cap