CTA Tools 3422 CIS Adapter Set Use with CTA #3420 to service wider range of BMW, Mercedes, Audi, VW and other vehicles with more current Bosch CIS systems Includes 12mm x 1.5 Swivel Female, 14mm x 1.5 Swivel M/F, 16mm x 1.5 Swivel M/F & 1/4 BSPT Swivel M/F Heavy Duty Metal Construction Swivel Design for Ease of Use Made in the USA