RTS Transmission Dipstick and tube ,Trick Loc ,Steel/Plastic lock, Black,GM Powerglide Shortly, Long Tab, Mounts Case or block bolt, Each - RTS-DPS-8410-2LTPart Number: RTS DPS 8410 2LT RTS introduces its newest quality Trick Loc dipsticks. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small o ring typically used on older OEM tube designs.