Check the level and quality of your GM 6L80E or 8L90E automatic transmission fluid quickly without having to go to the dealership. These durable locking dipsticks are designed to be left in the vehicle and feature a B&M logo engraved locking knurled handle cap and a stamped fluid level indicator end. B&M's flexible transmission dipsticks come complete with billet fittings, steel braided hose, a black mil-spec anodized aluminum 6061-T6 cap, and bracket.