RIO developed these heads as a tungsten alternative to lead core. They are supple, do not kink and sink like a stone. T-8 ( sinks at 7 inches per second) and T-11 (8 inches per second) are designed for lighter weight rods and weigh 8 grains and 11 grains per foot respectively.
T-8:
35 ft = 280 gns, 34 ft = 272 gns,
33 ft = 264 gns,
32 ft = 256 gns
31 ft = 248 gns,
30 ft= 240 gns,
29 ft = 232 gns,
28 ft = 224 gns
27 ft = 216 gns,
26 ft = 208 gns,
25 ft = 200 gns,
24 ft = 192 gns
T-11
35 ft = 385 gns,
34 ft = 374 gns,
33 ft = 363 gns,
32 ft = 352 gns
31 ft = 341 gns,
30 ft= 330 gns,
29 ft = 319 gns,
28 ft = 308 gns
27 ft = 297 gns,
26 ft = 286 gns,
25 ft = 275 gns,
24 ft = 264 gns
T-14
35 ft = 490 gns,
34 ft = 476 gns,
33 ft = 462 gns,
32 ft = 448 gns
31 ft = 434 gns,
30 ft= 420 gns,
29 ft = 406 gns,
28 ft = 392 gns
27 ft = 378 gns,
26 ft = 364 gns,
25 ft = 350 gns,
24 ft = 336 gns
RIO developed these heads as a tungsten alternative to lead core. They are supple, do not kink and sink like a stone. T-8 ( sinks at 7 inches per second) and T-11 (8 inches per second) are designed for lighter weight rods and weigh 8 grains and 11 grains per foot respectively.
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