Feature●D 0.04 inches (49 mm)●D2 mm : 2.1 inches (54●L: 0.8 inches (21 mm)●L: 2.4 inches (62 mm)●Weight: 22.3 oz (657 g)●Compatible Ring Pins: C-Ring = 1801C/Pin, O-Ring = 1803A, 1801BDescription 1" (25.4 mm) SQ. Impact Surface Socket 1.2 inches (30 mm)