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- ZSK GridLock Plastic Square Frame 300 x 400 / 11.8''

ZSK GridLock Plastic Square Frame 300 x 400 / 11.8''
Ultimate 30×40 cm Grid‑Lock Hoop
Experience extra‑large coverage for adult jacket backs with patented horizontal & vertical grid lines, straight-edge alignment lips, an extra-long 79 mm bolt-style screw, and clear T/L tension indicators—delivering flawless hooping, reduced rejects, and unrivaled durability every time.
Premium Allied Grid-Lock 30×40 cm Hoop Features
Extra-Large Coverage
At 30×40 cm (12×16″) with 605 mm arm spacing, this hoop perfectly accommodates adult-size jacket backs and expansive designs for seamless, high-impact embroidery.
Patented Grid-Lock™ Alignment
Built-in horizontal and vertical grid lines ensure rapid, perfectly aligned hooping on every project, eliminating guesswork and misalignment.
Straight-Edge Alignment Lips
Inside hoop walls feature straight-edge lips with precise marks on all sides, guaranteeing a square fit against any garment surface.
Effortless Adjustment Screw
Extra-long 79 mm bolt-style thumbscrew offers superior leverage and a larger grip head for quick opening, even on thick or layered materials.
T & L Direction Indicators
Clearly marked T (Tighten) and L (Loosen) on the hoop tab guide users in the correct rotation direction for precise tension control.
Maximum Value & Durability
Outperforms competitor hoops in longevity, precision, and cost savings—trusted by professional embroiderers for consistent quality and value.