There is no doubt about Penn 's made items for their smooth and precision If you already have a pursuit III 4000 spool..then it a good ideal to get this so that you can have two spool and no need to carry the whole body.
Hi there! We are glad to hear that you are enjoying your Penn Pursuit IV 4000 Spinning Reel and that you appreciate the smoothness and precision of our products. We agree that having an extra spool is a great idea for convenience when out on the water. Thank you for your feedback and happy fishing!