A heat-shrinkable tube that is ideal for protecting and strengthening the root of the assist hook. Since it shrinks due to the heat of a dryer, etc., it has good workability and is ideal for creating original assist hooks.
<Compatibility table>
3.5mm: Pike AS-03 etc. # 1 ~ # 1/0 class
4.0mm: Pike AS-03 etc. # 2/0 ～ # 3/0 class
4.5mm: Cutlass JS-2 etc. # 2/0 ～ # 4/0 class
5.5mm: Cutlass JS-2 etc. # 4/0 ～ # 6/0 class
6.5mm: Cutlass JS-2 etc. # 6/0 ～ # 8/0 class
* The above compatibility table is just a guide. It may be slightly different depending on the assist line used, the thickness of the netsuke, the cut length of the shrink tube, etc.
* The shrinkage start temperature is 90 degrees or higher. The contraction value shown is around 115 degrees.
* Although it can be shrunk by direct fire with a lighter, etc., please note that heat damage to the assist line etc. may cause a decrease in strength.
3.5mm: 1m
4.0mm: 1m
4.5mm: 1m
5.5mm: 70cm
6.5mm: 70cm