Passive tightened after automatic rotary. This is designed for central driving reeling and unreeling equipment.

(1)

Match with the requested outer diameter of shaft.

(2)

Can fix firmly onto core from air shaft or self-attached screws.

(3)

According to user's demand, this product can use by fixing one or more than one.

Specifications : 
¡´ 3" Outer diameter : £r75.5 mm
¡´ Expanded diameter : £r79 mm/max
¡´ Inside diameter of paper tube : £r76.2 ¡Ó 0.2 mm
Remarks :
Specifications are up to customer's request from outer diameter range 2" to 12".