NAAMS power clamp arms with an offset are made from 4140 annealed steel and painted safety orange. They abide by the NAAMS Standards and are offered with offsets of 20mm, 25mm, 45mm, 65mm, 70mm, 115mm, and 120mm. The offset is based on the center bore to the bottom face of the arm which is represented in the image below. These arms come in blanks or alternating hole configurations ranging from 4 to 14 holes. We offer both current and discontinued offset power clamp arms and have the capabilities to manufacture custom clamp arms to customer specifications. To see the full catalog, click on the link below.