Rev Handle Knob Carbon Round 40mm Black Shimano A Daiwa S (4548)Carbon fiber round handle knob, 40mm diameter, black finish. Compatible with Shimano and Daiwa spinning reels. Replaces stock knobs for improved grip and reduced fatigue during long fishing sessions. Lightweight yet durable, maintains consistent feel in wet conditions. Standard shaft diameter fit for most models in the Shimano 'A' series and Daiwa 'S' series. TARGET USE: Spinning reel handle replacement for Shimano 'A' series and Daiwa 'S' series reels