Overview

Star fasteners don't fail in the open. They fail buried behind brackets, recessed in housings, and tucked where a straight-on approach simply isn't possible. The GripEdge 9-PC RPT™ Long Ball Star Bit Driver Set (BST9LS) was designed from the ground up for professionals who can't afford to lose a fastener or strip a bolt in a difficult location. Our second-generation Ball Star geometry delivers up to 15.5° of pivot, letting you engage angled or obstructed fasteners that conventional bits can't reach. And because access means nothing without grip, every bit features our patented Rounding Prevention Technology (RPT™); flat-face engagement that drives the sides of the fastener instead of the corners, delivering up to 50% more grip on intact fasteners than standard tools.

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Features

Fits Torx® Fasteners: Star profile is fully compatible with standard Torx® fasteners, sizes T10 through T50.
Second-Generation Ball Star Tips: Up to 15.5° of pivot angle for angled engagement when straight-on access isn't possible.
RPT™ Rounding Prevention Technology: Increased fastener contact reduces the risk of rounding on both intact and damaged star fasteners.
6" Overall Length: Long-reach design for recessed or obstructed star/Torx®-style fasteners in automotive, industrial, and heavy equipment applications.
S2 Tool Steel Construction: Each bit is precision-machined from S2 tool steel for maximum durability.
Slim Profile: Improves access in confined areas without sacrificing strength.
High-Visibility Markings: Large stamped size markings with black ink fill stay readable in low-light or dirty shop conditions.

Specifications

Product: GripEdge Tools 9-PC RPT™ 1/4" & 3/8" Drive Long Ball Star Bit Socket Set (Part No. BST9LS)
Use Case: Driving and removing star (Torx®-compatible) fasteners in automotive, industrial, marine, and commercial applications, including angled and confined-space access
Included Sizes: T10, T15, T20, T25, T27, T30, T40, T45, T50
Compatibility: Fits standard Torx® fasteners; "star" refers to the same 6-point profile
Technology: Patented RPT™ (Rounding Prevention Technology) flat-face fastener engagement; up to 50% more grip on intact fasteners than standard tools
Ball Star Tips: Up to 15.5° of pivot angle for hard-to-reach fasteners
Overall Length: 6"
Construction: S2 tool steel bits
Profile: Precision-machined slim design for confined-area access
Markings: Stamped and ink-filled size markings
Storage: EVA foam storage tray