Packaging content: 1 pencil oil into a hard alloy tip glass cutting machine, with a 2-6mm cut head, 1 6-12mm cut head, a 12-20mm cut head, a round handle and suction cup Heavy circular glass cutting machine, 1 titer, 1 20cm steel ruler, and 1 screwdriver. Round glass cutting machine: The circular handle is made of ABS plastic. The is made of polished iron, the scale is clear, and the diameter of the glass can be adjusted. From 6.4cm/2.52inch to 40cm/15.7inch. A strong suction cup can firmly grasp the glass center to form an accurate circle. Pencil -type glass cutting tool: The automatic refueling system can maintain the lubrication of its 360 ° rotating alloy knife header to make sharp and clean cuts. Anti -slip handle, comfortable grip. The three-size replaceable knife head is suitable for cutting 2-6/6-12/12-20mm thick glass. Equipped with a screwdriver for easy replacement. Widely used: Glass cutting kit is suitable for cutting color glass, crystal mosaic, pane glass, tiles, mirrors, porcelain pieces, , glass bottle and DIY glass crafts. It is a must -have tool for glass craft enthusiasts and beginners Reminder: There may be some oil on the of the product, don't worry, because this is normal. A little make the tool work smoother and protect the tools. Colour:As Shown Material:Metal Package Contents: 7 PCS Glass Cutter Tool Set 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.