Wood core, ramin shaft, 37mm in length
- T13-VH: Very hard (Red felt)
- T13: Hard (German felt)
- T13-MH: Medium hard (German felt)
- T13-M: Medium (German felt)
- T13-MS: Medium soft (German felt)
- T13-S: Soft (German felt)
Wood core, ramin shaft, 37mm in length