Description
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, product code: VERUG.
Can also be applied to the Agricultural Trade for Ag Curtain Venting systems.