The 3/4" square frame ear is a small piece of grip hardware that solves a very specific and very common rigging problem, giving a square-stock frame a proper grab point for a grip head. Key grips and riggers who build their own frames and rigs from 3/4" square aluminum tube use ears to mount those builds onto c-stands, combo stands, and grip arms without improvised clamping that slips the moment tension hits it.
In practice, the ear slips onto or bolts to 3/4" square stock and presents a round pin that a standard 2.5" grip head can bite down on. That is the same interface every flag, net, and cutter on set uses, which means a custom square frame with ears behaves exactly like any other piece of grip textile hardware. Grips use square-stock builds for custom diffusion frames sized to odd windows, bounce frames that need to tuck into tight sets, mirror rigs, and one-off camera or light mounts where an off-the-shelf frame will not fit. The ear is what turns a length of square tube from raw material into set-ready hardware.
Because ears get buried in permanent builds, pinched into truck walls, and occasionally walk away inside a finished rig, most rigging grips keep a stash. Buying a few extra during prep is much cheaper than stopping a build on the day.
• Fits 3/4" square stock tube
• Provides a pin for standard 2.5" grip heads
• Lets custom square-stock frames mount like standard flags and frames
• Essential for custom diffusion, bounce, and mirror frame builds
• Compact, durable metal construction
• A rigging kit staple worth keeping in quantity
Square frame ears for 3/4" stock are in stock for purchase at Lightbulb Rentals in NYC, Philadelphia, and Pittsburgh. Add them to any rental order alongside your square stock and frame hardware so your custom builds go together the moment the truck doors open.
