Hydraulic Quick Coupler by T&H The "L" Series hydraulic quick coupler by Technology combines changing and time saving to make any job site go smoother and easier. With an adjustable design couplers fit a variety of excavator attachments for your jobs. With a larger clamping range than most, these Couplers offer a wide variety for all base machines that include is intergrated safety pin for maximum safety. With a variety of different sizes, call Salem Hydraulics Co. today to get started on upgrading your machine to provide you with far better production times in all your applications. See below attached download for complete spec's and model codes to fit your machine.