This is from the Metolius repair form:
Re-Slings are $3 per cam and includes: Inspection, Cleaning, Lube, Tuning, and new Nylon/ Dyneema Slings.
Re-Wires are $8 per cam and includes the Re-sling service PLUS new trigger wires or cords.
We will contact you if additional repairs are deemed necessary.
Return shipping is $10 for UPS Ground in the USA.
All done for $18, shipping included...not bad.