Pinecil soldering 4 micro solder tips set Types: ST210-BC1: Length: 76.1mm Weight: 7.6 grams ST210-SI: Length: 77.19mm Weight: 7.4 grams ST210-I: Length: 77.5mm Weight: 7.6 grams ST210-K: Length: 78.4mm Weight: 7.6 grams Device Warranty: 30 Days