Heavy Duty Self-Locking Gear Cranks for Roll Up Walls, 5:1

Manivelles autobloquantes robustes pour murs enroulables, rapport 5:1

Self-Locking Gear Cranks are a safe, easy, manual drive. Use the heavy duty model for long and double poly roll up walls. The output shaft moves 1 revolution for every 5 cranks.

Specify roll up tube size (1", 1-1/4", 1-5/16" or 1-3/8"). Installation hardware sold separately.