TwistLok action designed to prevent cables from accidentally disconnecting. 3-Pin used for deadman lines/signals. 2-pin used for power supply. An electric deadman system is used for quicker operation than a pneumatic system provides. Conversion kits are available. Supply only or supply and fit. BlastOne holds a large range of spares for the corrosion control industry. We have a skilled service team ready to assist. Which means that if you don’t want to do your own maintenance, we can help. Multiple locations in mainland USA mean we can serve you promptly. Phone our friendly sales team today.