Specifications:<br />Main Material: Metal and plastic<br />Color: Blue， Yellow， Green(Optional)<br />Suitable For: 2mm to 8mm thick glass bottles<br />Quantity: 1pc<br /><br />Instruction:<br />Step 1: Adjust the cutter<br />Insert a glass bottle into the cutter and tighten the screw， make sure the cutting wheel can touch the bottle with pressure.<br />Step 2: Cut a line on the bottle<br />This is exactly same as making a score line when glass cutting. Using one hand rotate the cutter and another hand to keep the bottle sturdy.This will take practice if you have never used a cutter to cut glass before. Only cut around the bottle once.<br />Step 3: Heat and cool the cutting line<br />Flush the score line with cold and hot water alternately， till the glass bottle is separated.<br />Step 4: Smooth the cutting line<br />Smooth the cutting line with sandpaper.<br /><br />Package Includes:<br />1 x Bottle Cutter<br /><br />Note: <br />1， Please do not wash this item with water， otherwise it may rust.<br />2， Monitors are not calibrated same， item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.