Back Cap, Medium (WP9,20) SKU WLD-THC-41V35 $4.00 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details Medium Back Cap with 98W77 O-ring is compatible with WP-9/WP-9V/WP-9P air cooled and WP-20/WP-20V/WP-20P/ WP-25 water cooled TIG torches. Details Back DetailsMedium Back Cap with 98W77 O-ring is compatible with WP-9/WP-9V/WP-9P air cooled and WP-20/WP-20V/WP-20P/ WP-25 water cooled TIG torches. Ratings & ReviewsNo reviews availableBe the first to Write a Review