The SurLok PlusTM compression lug is a field installable, highly reliable alternative to common compression lugs. Using industry standard crimp, screw, and busbar termination options, thus eliminating the need to purchase special torque tools.SurLok PlusTM is an environmentally sealed version of our original SurLok but available in smaller sizes, and features a quick lock and pressto release design. Incorporating the latest R4 RADSOK Technology. SurLok PlusTM is a compact, quick mating, and robust product line.The RADSOK high amperage contact technology utilizes high tensil strength properties of a stamped and formed, high conductivity alloy grid to produce low insertion forces while maintaining a large conductive surface area. The R4 version of the RADSOK represents the culmination of three years of research and development in laser welding copper based alloys.