You have successfully added from to your part list.
Where Heater Band Clearance is a problem!- Ideal for recessed sprues.
APPLICATIONS: Use where recessed sprue bushings and similar obstructions create limited space for nozzle heater band. These bands require only 3⁄8” to 1⁄2” diameter clearance. (3⁄16” to 1⁄4” on a side.)