Spartan Titan Pro 3″ Square Tennis Net Posts with Stainless Steel Internal Winder – USA Manufactured

Spartan Titan Pro 3″ Square Internal Wind Tennis Net Posts Specifications

• Post Profile: 3″ square
• Wall Thickness: 11-gauge USA steel (14% thicker than the 12-gauge industry standard)
• Anti-Rust Finish: Interior and exterior zinc galvanization, clear passivation seal, and baked-on polyester powder coat
• Winder: Self-locking stainless steel internal mechanism
• Hardware: Cast aluminum caps and high-torque pulleys
• Height: 42″ regulation net height
• Warranty: 5-Year Limited Warranty
• Note: Ground sleeves and tennis nets are sold separately.

Spartan Titan Pro 3″ Square Tennis Net Posts Overview

The Spartan Titan Pro 3″ Square Tennis Net Posts are the square-profile flagship of our in-ground tennis line — 11-gauge USA steel, stainless winder, and dual-surface galvanization built for clubs, tournament facilities, and serious residential courts where the posts have to hold real regulation tension through years of daily play.

If you’re cross-shopping profiles or mounting styles, browse our full tennis net posts catalog. The square Titan Pro shares the same construction standards as the round Titan Pro — same winder, same three-layer corrosion protection. The difference is the geometry: square tubing is inherently more rigid than round tubing of the same wall thickness, which is why facilities spec’ing for the long haul often choose this profile.

Spartan Titan Pro Total Defense: Internal and External Zinc Shielding

Tennis posts fail from the inside more often than the outside. Condensation collects on the interior wall, has nowhere to evaporate, and slowly rusts the steel from within — invisible until the post structurally weakens. Most manufacturers coat the exterior and leave the inside bare. The Spartan Titan Pro applies zinc galvanization to both the interior and exterior, which shuts down the failure mode before it starts.

Over the zinc, a clear passivation seal locks the galvanization in place and prepares the steel for the powder coat. The final layer is a baked-on polyester powder coat that handles UV exposure and resists chipping. Three layers, three jobs — which is why these posts hold up in Southern humidity, coastal air, and any climate that punishes steel.

Spartan Titan Pro Thick-Wall 11-Gauge Steel

The Titan Pro 3″ Square is built from 11-gauge USA steel — 14% thicker walls than the 12-gauge tubing on most competing posts. Square tubing carries load differently than round, and the geometry adds meaningful rigidity on top of what the wall thickness already provides. Under the steady pull of a tightened regulation tennis net, the post stays plumb season after season.

Spartan Titan Pro Self-Locking Stainless Steel Internal Winder

A net post is only as reliable as its winder. The Titan Pro uses a self-locking stainless steel internal mechanism, with gears roughly twice as hard as brass on the Rockwell scale. That hardness is why stainless gears keep their teeth long after brass gears have rounded off under the high torque of cranking a regulation net taut. The full gear set sits enclosed inside the post body — protected from rain, dust, and tampering.

Spartan Titan Pro Installation

Welded lacing rods double as depth stops, seating against the top of the ground sleeve so the post lands at exact regulation 42-inch height without measuring or shimming. The 3″ square profile drops into standard square ground sleeves with the small clearance that lets the post slide cleanly past any dirt or grit that’s settled in over time.