Adjustable Beer Tap Faucet Stainless Steel Draft Beer Faucet Flow Controller Chrome Plating Shank G5/8 Tap Keg For KegeratorInner Constructed from FOOD GRADE 304 stainless steel, Chrome plated body. This ultra-durable material wont pit or tarnish, and youll never have to worry about your beer being tainted by a gross metallic taste. G5 / 8 thread,8MM Beer Pipe Barb,You can use the barb to connect 5/16 beer line or directly use the liquid ball lock post on the corny keg.Go through a wall : drill bit:0.6, Drill hole dia:2.3 ,Shank size:2.2 Adjustable Flow -- Full 0 ~ 100% flow control,adjustable beer flow rate and bubble volume,no waste and dirty embarrassment No Leak & Little Foam -- Good sealing construction make it never leak,longer spout and smooth interior makes little foam Used for -- Connect draft beer tap directly to a beer,soda keg or install in your fridge,suitable for bars, hotels, restaurants,home brew.