* Making iron tip life longer:
Thermal shock to iron tips is quite small, only 2 to 3 drop.
* Continuous operation:
No need to wait for the temperature recovery
* No scars or no scratches to iron tips:
Heatproof rubber does not hurt the surface of iron tips.
* Easy disposal:
Easy to collect and dispose the solder residue.
"Diameter of hole: B-500 φ 50 / B-250 φ 25
Outer dimension: B-500 φ87 x 37 H / B-250 φ50 x 22 H
Weight: B-500 185 g / B-250 65 g
Material: Heatproof rubber"