The Mini-Coupler is 1" wide and fits from 1.65" OD to 2" OD Tube. The Mini-Coupler uses a 3/8″ × 1″ long Grade 5 bolt with a Belleville washer and a Nyloc nut. The Mini-Coupler has a safe working load of 330 Pounds. (150 Kg)
1.25" pipe, 1.66" OD pipe
2" OD truss tube,1.5" pipe, 1.90" OD pipe
330 Pounds
3/8″ × 1″ long Grade 5 bolt with a Belleville washer and a Nyloc nut.
.3 Pounds