2 1/2” x 1” wide up to 5 weigh line If your a collector of Payne rods or just fly reels you should own a Cleve Speers Reel Cleve & his father befor him  were the machinisth who made the tooling and parts for the payne rods I met cleve at Rosco New York About 2004 I spent a very enjoyable afternoon talking shop ;Rod &reel makeing AT this time I became a proud owner of a Cleve Speers reel  AS a gift from Cleve IT is a 3" Dia.I use it on my model 856  Cleve spent most of his working life In mangment at Curtiss Wright  Air Craft Co After retiring He made fly reel as a hobby You can find more about cleve in Hoagy Carmichael book 8 on page 84