Gliderol 77mm Lath Roller Door Locking Strap 4 Segment

Genuine Gliderol Security Autolock Locking Strap (top connecting strap)
Generally made to fit the 77mm foam-filled slats, but will fit other doors
Gliderol part number 542SE
ABS Plastic Body, Brass Pins, Aluminium Fixing Profile, Steel Springs
This strap consists of 4 main sections plus the connecting piece which attaches to your drum (see pictures)

Used to secure your Roller Garage Door or Roller Shutter Curtain to the motor barrel (boom)