We have two used cylinders that we inherited from estate. Both the princess auto type. One is a tie rod 3-1/2 x 20" with 1" pin holes. The other is a utility screw head type 3" x 25" with 1" holes The rods move freely with compressed air, and aren't rusty. Other than that they seem okay. Asking $100 each or both for $180. Would be good for a wood splitter. Rated 2500 or higher. Located at Peerless, 1357 Ball Rd, Cobble Hill. hours 10-5. Sometimes on site sat.