American Lube TIM-910-HF Preset Mechanical Metered Control Handle for Oils with Trigger Guard, 16-Quart BatchAmerican Lube TIM 910 HF Ergonomic: Meters Are Designed With An Anatomical Hand Grip And A Trigger That Requires Minimal Pressure To Operate Swivel Extension: All Digital Preset Meters Are Equipped With A Patented Multi Position Extension That Threads Directly Into The Meters Body. Units With A Rigid Extension Are Also Equipped With A Rotatable Non Drip Tip Programmable: User Can Store Five (5) Programmable Preset Values In The Meter'S Memory That Can