Gas Damper / Exmark 116-0027Pack Size:1Exmark 116-0027, Exmark 109-9820, Toro 116-0027Rotary 13470Exmark Next Lazer Z; Toro Z Master G3 series 9 1/2" closed length, 13" extended length, 2 threaded studs 5/16"-18 both ends, OD: .590", Resistance shock