Features: 1) Quenching type: circular, seal on the top, with air filtrating damping material 2) Qu Features:1) Quenching type: circular, seal on the top, with air filtrating damping material2) Quenching height: 120mm (HCF), 250mm(PSF), adjustable height.3) Up-down type: cylinder 4) Moving type: small vehicle with wheels Sell Quench machine