Its lightweight material ensures breathability

Designed for trailer enthusiasts

or industrial equipment

it enhances both safety and efficiency

HENDRICKSON AUTO SLACK 5.5" & 6.5" silicon free tyre shine Its lightweight material ensures breathabilityHendrickson Auto Slack Adjusters 5. 5" & 6. 5" Automatic Brake Adjusters for Heavy Vehicles Maintain optimal brake performance with Hendrickson Auto Slack Adjusters in 5. 5" and 6. 5" arm lengths. Designed for heavy duty trucks and trailers, these automatic slack adjusters ensure consistent brake adjustment, improved safety, and reduced maintenance. Engineered to OEM standards for reliable, long lasting performance in demanding road conditions.