T4E oil is a non-petroleum based lubricant for use in the T4E markers to keep them functioning reliabily. T4E provides law enforcement and military Training Guns with authentic weight, feel and action to provide the most realistic training experience possible. Training with these authentic replicas provides better quality training and better reaction to real-life scenarios. T4E products carry supreme quality while remaining cost-effective for all budgets. ,Train More, Spend Less., Check T4E (Training for Engagement) for special pricing on scenario training gun platforms, ammo, and accessories.Features :Non-petroleum based1 oz