The Polyvance Plastic Welding Rod Assortment with Organizer Case (Tier 2), No. 5003-04, includes less-often-used welding rods and is marked for the profile of the rod and the type of plastic in each component. Included in this case are 15 feet of R01-01-XX-NT - Polyurethane (1/8" diameter, natural), 10 pieces of R06-01-XX-NT - Nylon (1/8" diameter, natural), 10 pieces of R06-04-XX-NT - Nylon (3/8" X 1/16", natural), 10 pieces of R10-02-XX-BK - Fiberflex (3/16" diameter, black), 10 pieces of R10-04-XX-BK - Fiberflex (3/8" by 1/16", black), 15 pieces of R11-01-XX-BK - PBT (1/8" diameter, black), 15 pieces of R14-01-XX-WH - ASA (1/8" diameter, white).