SN23993W SN23MP Sn23Pb77 0.6mm 1000G Sn23Pb77 0.6mm 100G Sn23Pb77 0.6mm 250G Sn23Pb77 0.6mm 500G Sn23Pb77 0.8mm 1000G Sn23Pb77 0.8mm 100G Sn23Pb77 0.8mm 250G Sn23Pb77 0.8mm 500G