COMPLETE KIT: Professional glass cutting tool set includes pencil Style glass cutter x 1 , professional size cutter head x 3, screwdriver for replacement cutter head x 1, tungsten carbide tip scriber x 1 , dropper x 1,Steel Ruler x 1, Cutting oil x 1,to meet your various needs when cutting. HEAVY DUTY HEADS: Industrial grade frosted iron head, wheels are made of tungsten carbide, cutting life is more than 20000 meters, up to 30 times longer than other tools! Universal cutter head - suitable for 3mm-14mm thick glass ERGONOMIC DESIGN: Textured non-slip grip handle with ensures comfortable and precise control during cutting PRECISION CUTTING: Steel cutting wheels deliver clean, accurate cuts on glass surfaces with minimal pressure required MAINTENANCE FRIENDLY: Includes glass cutting oil and applicator to smooth operation and extend tool life Color: As shown Material: Metal+Plastic Package Contents: 1 set x Professional glass cutting tool 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.