4 New Clock Repair Tools. Case Opener. This is a new case opener. Adjustable tempered pins for easy use on water resistant cases. Provides a tight, non-slip grip. Long handles for increased pressure. Includes double blade. Tips adjust from approximately 3/8" to 1 5/16" (10 x 33 mm). Quartz Screw Tightener. This is a new Quartz clock screw tightener. It measures approximately 8 1/8" (206 mm). New Clock Dial Wrench. This is a new clock dial wrench. Use this to loosen center mounting nuts on quartz and other battery movements. It measures approximately 3" x 2 3/4" (76 x 70 mm). Crows Foot. This is a new crows foot. Great for men's watches. It fits into a bench vise and is handy for removing all friction wheels and gears. It measures approximately 4 3/8" x 3 1/2" (111 x 89 mm).