Material: Steel Finish: Zinc Plated, Bright Chromate Pawl Position: C Knurled Head Style Grip Range: 19.1 to 28.6 mm (0.75" to 1.125") Three hole mount An extra turn adjusts the amount of compression applied Operates by lifting the handle to relax the compression and turning to open Provides consistent, pre-set compression against environment or EMI/RFI gasketing Medium size compression latch Clockwise (Type A) rotation to latch