Collection: Composite Piston Rings

43mm Inside Diameter Plastic Cap with 400 Thread Finish

28mm ID 400 Thread Molded Plastic Cap

53mm Inside Diameter Molded Plastic Cap - Thread Finish 400

38 mm ID Molded Plastic Cap - Thread Finish 400, Pressure Sensitive Liner

24mm Plastic Cap with 400 Thread Finish for Institutional & Consumer Use

28mm Plastic Cap with 410 Thread Finish

45mm ID 400 Thread Molded Plastic Cap

70mm Inside Diameter 400 Thread Finish Plastic Cap

28mm ID 410 Thread Molded Plastic Cap

120mm ID Molded Plastic Cap with 400 Thread Finish

70mm ID 400 Thread Molded Plastic Cap

48mm ID Plastic Cap with 400 Thread Finish

33mm ID Molded Plastic Cap with 400 Thread Finish