10" Tall Translucent Funnel with a 6-3/4" Offset from Center of Mouth to Center of Spout for Hard-to-Reach Applications. Useful for adding brake fluid to master cylinders on mini-vans, adding gear lube to differentials, filling the DEF reservoir on GM Duramax diesels as well as other applications. The funnel mouth is 3.5" O.D. and the spout is .7" O.D. made out of HDPE (High Density Polyethylene).