We offering our customers three finger condenser extension clamp with boss head. A Brass jaw C. P. Rod the overall length of the clamp is 100 mm with the extension rod contributing 8???. The rubber coated jaws will open to 3.5??? and will provide a six point contact for a firm, secure grip. The boss head, right angle clamp will accept rods up to .63 and 18 mm, you will get both the clamp (condenser clamp three prong with boss head)as a part of our this exclusive offer, beware of duplicate, low quality products.