HomeProduct Item model number1-8\" NPT 1-8\" NPT Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World’s best-selling original… Added to wishlistRemoved from wishlist 0 $29.99