Thrown the ball with finals-bound Westbury at 0-57, the South Launceston leggie took the big scalp of Matthew Battle in his third over.

But it was his second spell, which featured a block of 5-21 off nine overs, that brought South Launceston back into the contest and netted the 31-year-old his third A-grade five-for.

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"The pitch was pretty conducive to bowling spin - it was turning about as much as I've ever seen the NTCA No. 2 wicket and most of the other spinners in the game were getting a fair bit of turn too," Jackson said.

"Luckily enough for me a few wickets went my way I guess.

"There were a few guys in the team that I've played with for a lot of years now and I think they knew it was the first bag of wickets I've taken for a few years - the guys were pretty happy for me I think which was nice."

A former Queechy High and Newstead College student, Jackson began his first-grade career as a bowler and took two five-fors in his opening seasons.

Starting as the Knights' first-grade number 11, he has since batted in every position in the order and boasts a handful of first-grade 50s to his name.

The Knights president has enjoyed most success at number five, where he averages 29.50, and number four (25.48).

"We've had a really strong bowling attack the last half a dozen years really and there hasn't been the need or opportunity to bowl much in those sides, so I've been trying to contribute as a batsman and bowl overs when required," Jackson said.

"It was nice to have a day where I played more than a little role."