Features: Clapception Coil 24ga+ (28ga+38ga) Single:0.58Ω/ Dual:0.28ΩKA1Ø3.0 / 5wraps 2PCSClapton Helix Coil[28ga (KA1)+38ga (N80)]*2+26ga (KA1)*2single:0.36Ω/dual:0.18ΩKA1+N80Ø3.0 / 6wraps 2PCSTidal Coil 30ga*2 (twisted)+ (0.2*0.8)single:0.52Ω/dual:0.26ΩKA1Ø3.0 / 6wraps 6PCSAlien Coil 28ga*3+32gasingle:0.37Ω/dual:0.18ΩN80Ø3.0 / 5wraps 2PCSFuse Clapton Coil 26ga*2 (KA1)+36ga (N80)single:0.38Ω/dual:0.19ΩKA1+N80Ø3.0 / 6wraps 4PCSAlpha Braid Coil 26ga+40ga*2 (=)*16single:0.32Ω/dual:0.16ΩN80Ø3.0 / 6wraps 4PCS