Thermaltake Pacific DIY OD 16mm (5/8") x ID 12mm (1/2") Water Cooling PETG Hard Tube Bending Kit CL-W093-AL00BL-A Near Perfect Bends: Essential for making precise bends when using 16mm OD PETG tube Mandrels: Includes Mandrels for 45/90/180/360 degree bends Pipe Cutter: Professional Grade Pip Cutter provides perfect beveled edge cuts Insert: Silicone Tube insert prevents kinks and help promote smooth bends while keeping inner wall diameter Mounting: Pre-drilled holes allow easy mounting of mandrels to flat surface Recommended use of soapy water assists with tube insertion and tube heating Warranty: 2 Years