Vector Optics Scope Parallax Wheel (Continental) (SCCON-SW2)

Built tough with rugged aluminum alloy material, staysresists solid and resist bending.  Easy fit with half-open design, will fit diameter 33.5-35mm side focus wheel. 
 
Outer Diameter
88.2 mm / 3.47 in
Inside Diameter
36 mm / 1.42 in
Weight
75.5 g / 2.66 oz
Material
Aluminum Alloy
Items in the Package
One Pair of Spare Plastic Sealing Rings, T15 Torx Wrench, Screwdriver, etc.
Easy of Use
Loosen the screw, slide the side wheel onto the side focus knob and tighten the screw.