More details from The Light Source (http://www.lightsource.com):
The Mega Slim Coupler is a lower profile option for smaller light fixtures. It is half the size of our standard Mega-Coupler and weighs 30 percent less yet fits the same as the Mega-Coupler.
The Mega Slim will fasten from 1-1/4″ pipe (1.66 OD) to 2.050 OD Truss Tube. It has a wide wing nut for easy fastening of the coupler to the pipe or tube. It has hex pocket for 3/8″ bolt. Includes 3/8?×1? zinc plated bolt with nylock nut and spring washer.
The Mega Slim Coupler is also available with a 3/8″ Hex Flat Head countersunk Bolt.
Minimum Size
1.25″ pipe, 1.66 OD pipe
Maximum Size
1.5″ pipe, 1.90 OD pipe, 2.050″ OD Truss Tube
Safe Vertical Working Load
600 lbs.
Hardware
3/8? × 1? Hex Cap Screw?
Belleville Washer ?Nylock Nut
Weight
0.65 lbs.
MSCM Mega Slim Coupler, Aluminum Finish
MSCB Mega Slim Coupler, Black Anodized
MSCM-CS Mega Slim Coupler with 3/8″ Flat Head Bolt, Aluminum Finish
MSCB-CS Mega Slim Coupler with 3/8″ Flat Head Bolt, Black Anodized
