All Categories > Harness Adjusters & Adapters Harness Adjusters & Adapters We custom manufacture our adjusters and adapters for Racing, Safety, Military and Parachute use.Materials include: Alloy Steel, Stainless Steel, Sheet Metal Alloy and 15-5 PH Steel. Request Information Harness Adjusters & Adapters harness-adjusters-adapters Adapters 1203.jpg Adjusters 1224s (2).jpg