





Masonry Pinji Bricklayer Line Pins (1-Piece)
- Product: Masonry Pinji Bricklayer Line Pins
- Product Category: Layout & Measuring Hand Tools
- Available Variants: Square (Corner Clamp) or Round (Leaf Insertion Pin) — select one
- Finish: Anti-Corrosive Zinc / Chrome Plated Guard
- Packaging: Sold as a single piece — select Square or Round variant
- Application: Bricklaying corner and mid-course line alignment
- Item Dimension (Dia/Length x Width x Thickness): 55 x 60 x 1 mm / 2.2" x 2.4" x 0.04"
Accelerate your bricklaying speed and wall alignment accuracy with our Heavy Duty Masonry Pinji Bricklayer Line Pins. Engineered to meet the rugged demands of professional construction sites, this versatile layout tool range serves as a secure anchor system for holding masonry lines perfectly tight and sag-free. Whether you are wrapping structural corner blocks or anchoring guide lines directly within wet mortar joints, this multi-variant series ensures dead-straight brick courses without loosening under high line tension.
Key Highlights
- Zero-Slip String Alignment: Dynamically anchors layout strings tightly across structural profiles without requiring nails to be driven into fresh brickwork or mortar joints
- Solid Forged Steel Composition: Fabricated from heavy-gauge, high-tensile carbon steel sheet and rod blanks that maintain their profile lines under high mallet hits or heavy drops
- Rust-Defying Zinc Coating: Finished in a specialized golden zinc passivated surface shield that resists moisture corrosion, wet alkaline concrete environments, and grit abrasions
- Optimized Tension Channels: Features engineered guideline grooves and button heads to prevent layout string slipping, shifting, or unexpected line fraying
- Chassis Border Smoothing: Fully deburred edges ensure smooth hand comfort during fast setups and tear-downs, keeping ropes pristine
Technical Specifications
| Feature / Specification | Square Variant (Corner Clamp) | Round Variant (Leaf Insertion Pin) |
|---|---|---|
| Product Category | Layout & Measuring Hand Tools | |
| Common Trade Name | Square Pinji / Brick Corner Clamps | Round Pinji / Leaf Line Pins / Trowel Pins |
| Chassis Metallurgy | Hardened Carbon Steel Plate | Solid Forged Tool Steel Rod |
| Finish Surface Guard | Anti-Corrosive Golden Zinc Passivation | Polished Chrome / Zinc Plated Finish |
| Anchoring Layout Style | 90-Degree Right-Angle Clamp | Leaf-Shaped Blade Mortar Insertion |
| Primary Function | Wrapping external/internal corners | Inserting into horizontal mortar beds |
| Item Dimension (Dia/Length x Width x Thickness) | 55 x 60 x 1 mm / 2.2" x 2.4" x 0.04" | |
| Packaging Layout | Sold as a single piece — choose Square or Round | |
Recommendation & Workspace Variant Guide
Selecting the correct Pinji layout variation adapts your anchoring speed directly to your active brick or concrete masonry setup:
- Square Variant (Corner Clamp Type): Best for building structural corners, outer columns, and long-run wall faces utilizing standard profile blocks. The 90-degree bend sits flush over the top edge of a corner brick — the string tension pulls the inner right-angle plate firmly against the block faces, locking the line securely without tools
- Round Variant (Leaf Insertion Pin Type): Best for mid-course wall alignment, running adjustments between columns, and working inside tight vertical spaces. The flat, leaf-shaped taper blade is tapped smoothly straight into active horizontal mortar joints between brick layers, providing a rock-solid line reference height instantly
Why Buy from HomeRun?
- Verified Quality: Sourced and inspected for reliable, everyday site use
- 60-Minute Bangalore Delivery: Express delivery to active service zones for urgent project needs
- Project-Ready: Choose the corner-clamp or leaf-insertion style that matches your layout task
1) Do I need separate fasteners or anchors to clamp the Square Pinji to a block wall?
No tools are required. The Square variant uses simple corner friction combined with your string line's natural pulling force. Once you tension the line from the opposite end of the wall layout, it automatically draws the internal 90-degree square plate tightly against the block face.
2) Will the Round leaf pin bend if I drive it into tightly packed or hard mortar beds?
No. The Round leaf pin variant is solid-forged from a single piece of hardened tool steel. It features an enlarged circular top striking button head specifically built to safely take solid mallet hits without flexing, cracking, or breaking.
3) Can the Square variant be utilized on non-standard large concrete blocks?
Yes. Since it relies on a simple open-face, independent right-angle layout rather than a fixed-width spring tension clip, it sits flush over any masonry block edge regardless of overall width or length.
4) Which variant should I choose for starting a new brick wall corner?
Choose the Square variant for corners and outer columns, since its 90-degree clamp design is built specifically to wrap around a corner brick. Save the Round leaf pin for mid-course alignment where there's no corner edge to clamp onto.
5) Can both variants be used together on the same job?
Yes. Many bricklayers use the Square variant to anchor corners at the start and end of a wall run, then use the Round leaf pin at intermediate points along the same course to maintain line tension over longer stretches without sag.
- Return within 24 hours of delivery for:
- Damaged or defective product
- Wrong or missing item
- Product cannot be returned once installed or used
- Refer to Refund Policy for complete details
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