MAKO Jaws® RailFin Concrete Screed Chair – Supports 1/4" Flat Rolled Steel Rail – Stay-in-Place Slab Support for 1/4" Flat Rolled Steel Rail – Non-Corrosive – Made in USA – 100 Pack

★★★★★ 4.9 61 reviews

$135.00
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$135.00
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Product details

Management number 214300885 Release Date 2026/04/12 List Price $54.00 Model Number 214300885
Category
  • DESIGNED FOR 1/4″ FLAT ROLLED SCREED RAILS JAWS RailFin supports 1/4″ (0.25″ / 6 mm) flat rolled steel screed rails, commonly 1/4″ × 2″, providing stable rail support for accurate slab elevation control during concrete placement.
  • PATENTED FIN-LOCK SYSTEM — WILL NOT BOUNCE OFF Internal MAKO “fins” grip rebar, threaded rod, conduit, metal stakes, PVC or dowels from 3/8″–5/8″ to keep the chair securely seated during concrete placement.
  • NON-CORROSIVE STAY-IN-PLACE FORM Manufactured from impact-resistant medical-grade polypropylene that will not rust or corrode when embedded in concrete, unlike traditional metal screed supports.
  • BUILT FOR PROFESSIONAL SLAB CONSTRUCTION Ideal for slab-on-grade, elevated slabs, bridge decks, vapor barrier slabs, and super-flat floors (FF/FL). ✔ DOT approved in most states ✔ Made in the USA ✔ 100 chairs per bag (covers approx. 3,000 sq ft)
Item Weight 5.75 pounds
Manufacturer MAKO Enterprises LLC
Item model number 08244JAW24B
Package Dimensions 16 x 16 x 3.2 inches

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4.9 out of 5
★★★★★
61 ratings | 25 reviews
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