Material: Steel Finish: Zinc Plated, Bright Chromate Pawl Position: A Slotted Flush Head Grip Range: 3.2 to 9.5 mm (0.125'' to 0.375'') 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