You are getting 2ea Gas Springs. The oil within the cylinder, when it is compressed or extended, moves from one side of the piston head to the other, providing a damping effect. Sold gas springs for 20+ Years!
2ea Fits Signature SE075P-60 / Nitro-Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Signature SX075P-30 / Nitro Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Signature SE075P-90 / Nitro Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Signature SX075P-40 / Nitro Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Signature SE075P-100 / Nitro Prop Gas Strut Spring Lift Support Rod Arm
2ea Fits Signature SE075P-70 / Nitro Prop Gas Strut Spring Lift Support Rod Arm