Vacuum System Accessories Adjustable Plastic Component Mounts Part No. CLAMP51P Part No. Clamp’s Inside Diameter Range in. (mm) A in. (mm) B in. (mm) C in. (mm) D in. (mm) E in. (mm) F in. (mm) Item Weight oz. (grams) CLAMP51P 2.01 – 2.17 (51 – 55) 3.17 (80.5) 2.42 (61.5) 1.89 (48) 0.93 (23.5) 0.46 (11.75) 1.21 (30.75) 1.058 (30)