Rare Group 5 Poker ...chamber sandpaper reamed straight round and uniform (w/ bowl coat) ...ID .780" x .780" . OD 1.364" , Length 5 3/8" , Height 1 5/8" , Depth 1 3/8" , Weight 1.2345 oz (35g) , Mortise drawhole 5/32" - Tenon 9/64" on a tight fitting original fishtail stem w/ no chatter issues. Cleaned and sanitized ...no ghosting. Note: pipe does not sit on the flat base (as in photos).