ITEM NAME:12mm ID Hard Acrylic Tube Bending Silicone Rod Bending Tool Product Description Description: Features: Made of high temperature resistant silicone. Holds acrylic tube when heat bending, prevents deformation of bending part. ID 8mm for OD 12mm tube. ID 10mm for OD 14mm tube. ID 12mm for OD 16mm tube. Included: 1 X Silicone Rods.Holds acrylic tube when heat bending, preventsdeformation of bending part. ID 8mm for OD 12mm tube. ID 12mm for OD 16mm tube. Made of high temperature resistant silicone. ID 10mm for OD 14mm tube.