Series B17 'E2 mini' 1. Snap-open with film-hinge along the outer radius 2. Small pitch for very quiet operation 3. Mounting bracket with integrated strain relief 4. Dirt-repellent exterior 5. Small Energy Chain® with large inner height 6. Interior separation available Inner widths Bi: 0.59 up to 3.94 (15 - 100 mm) Bending radii R: 1.89 up to 4.92 (48 - 125 mm) Pitch: 1.2 (30.5 mm) per link = 11 links/ft (33/m) When to use Series B17 If snap-open accessibility is required If a rather small chain with a broad inner width is required When not to use Series B17 If quick opening of the links is required Series 17 "Zipper" If quick insertion of cables with preassembled connectors is required Series E16 "Easy Chain®"