AA2704M: LEAF SPRING Medium Force Key Activated
Available in Two (2) Sizes with Two (2) Forces on the Springs:
6mm & 9mm Expansion Leaf Spring Mechanism for Continued Bi-Lateral Pressure
Two Forces in play for both sized screws;
Lite 450g Force screw has Dual (2) Leaf springs for the mechanics/force AA2703 series
Medium 900g Force screw has Triple (3) Leaf springs for the mechanics/force AA2704 series