4 adaptors included:

These poly strips are made from a durable compound that is softer than metal and are bolted to the side of the cage to protect wheels from scratches and dings

They are designed to deliver the pressure you need

screw them into the female end and read the thread size

Reelcraft Medium Pressure Oil Reel (3/4 in X 50 ft) Angle_± 1-3/4 Deg. 4 adaptors included:Reelcraft's Series D80000 spring retractable reels incorporate the most current design and manufacturing techniques to guarantee long life and trouble free performance. All steel construction and a baked on powder coat finish combine to produce a rugged corrosion resistant product suitable for a wide variety of heavy duty applications. Features: Hose anti latch out feature ensures hose retracts every time. Guide arm is field adjustable for wall,