Reward for a splendid season last year, left-arm spinner Max Hancock retains his place and has been joined by two of his club mates.
Off-spinner Ollie Pugsley and pace bowler Tom Simmons have also been selected.
The team will play 16 matches this summer with the highlight being the five-day Kings Taunton Festival during which they will lock horns with Buckinghamshire, Cheshire, Middlesex, Wales and Yorkshire.
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