Thomas & Betts RAD18377 Wire Terminal Disconnect. Sta-Kon® Female Disconnect Series: 187 22 to 18 AWG Conductor 0.187 in W x 0.032 in THK Tab Internal Serration Long Barrel Crimp Terminal 600 VAC 0.15 in Dia Maximum Insulation 0.03 in THK Stock 105 deg C Brass Red Electroplated Tin 0.89 in L x 0.3 in W Insulated: Insulated. Additional Description: TB -RAD18377 NYL FULLY INS FEM-187 DSC 22-18 L LEN .8. Catalog Description: Nylon-Insulated Female Disconnect Length .89 Inches Width .30 Inches Maximum Insulation .150 Tab Size .187x.032 Wire Range #22-#18 AWG Color Red Copper Tin Plated 1000 Pack.