Model: K2 plus Type: 3D printer accessories Specifications: K2 PLUS hot end kit, K2 PLUS K2 ceramic heating block kit, quick nozzle change, high thermal conductivity, easy installation, high flow printing, 350C high temperature tolerance Fine workmanship, craftsmanship Tight fit, no leakage, flat contact , tight joints Effectively prevent leakage from the print head Smooth inner wall, not easy to clog Inner hole roughness Ra Less than 0.4, smooth feeding Activate Win Extrude filaments quickly and stably without clogging Go to "Settings" Color: Black Material: Hardening steel Package Contents: 1 * Nozzle Hot End Kit 1 * K2 PLUS Silicone Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.