I use the smaller ones for perch....in the spring I hardly need live bait...1/16 oz jig head...I would think 5" with 3/8-5/8 jig head would b killer for walleye
1/4 ,3/8, and half ounce jig heads are what we use for chugging for 4 to 5 inch tails for eyes we also use 5/8 to one ounce for vertical jigging on the Detroit river and st clair rivers... now swimming or chugging it, or "getting it to dart or flash" is what were doing with them... but in the spring we use the vertical jigging out of boats at the mouths of rivers. the mouths are dark or stained with the cross flow of two rivers were one body of water is clear water it tend to cloud up at the mouths...