Product Overview
The Kölbel frame is modified to accommodate swivel, snap-in blades at the outer reaches of its arms and slotted center blades designed to slide along the post extension to the pivot screw around which the arms articulate. See also 24-6162 for the Modified frame only option and items 24-6161, 24-6168 and 24-6169 for various frame and blade combinations you may wish to consider.
•Modified Kölbel retractor frame with wingnut for holding Middle arm
•Includes one 53 mm deep Middle arm
•Side blades are sold separately
•Great set for those who already own side blades
•All items are components of Optimal Shoulder set (24-8500)
https://buxtonbio.com/mod_kolbelretrw/1ctr_blade_764