TWSBI Precision Fixed Metal Mechanical Pencil

TWSBI Precision Fixed Metal Mechanical Pencil

The TWSBI Precision Fixed Metal Mechanical Pencil is an elite technical drafting instrument engineered for draftsmen, architects, engineers, and illustrators who demand absolute tip rigidity and uninterrupted line accuracy. Built with a full-metal hexagonal barrel that resists rolling and a diamond-textured cylindrical knurled grip, this balanced pencil offers exceptional stability and tactile feedback. Equipped with a stationary 4mm fixed stainless steel lead sleeve designed specifically to ride smoothly against straightedges and drafting templates, the Precision Fixed ensures wobble-free precision across technical layouts and intricate sketches.

Key Features

• Full-Metal Hexagonal Body: Solid machined metal barrel provides satisfying heft, balanced center of gravity, and an anti-roll desk profile.
• Fixed 4mm Drafting Sleeve: Rigid stainless steel guide pipe provides an unobstructed line of sight and stable guidance along technical rulers and drafting triangles.
• Precision Diamond-Knurled Grip: Machine-cut cylindrical knurling delivers exceptional non-slip comfort and fatigue-free finger placement.
• Dual Precision Lead Options: Available in 0.5mm for ultra-fine drafting and 0.7mm for smooth general writing and notation.
• Extra-Long Concealed Eraser: Premium twist-accessible eraser housed securely under the top push cap provides convenient correction power.

Specifications

• Brand: TWSBI
• Model: Precision Fixed (Non-Retractable Sleeve)
• Lead Sizes: 0.5 mm / 0.7 mm
• Guide Pipe: 4 mm stationary drafting sleeve
• Finish: Matte Silver
• Barrel Material: Precision-machined solid brass/steel
• Grip: Textured cylindrical metal knurling
• Length: 143 mm
• Barrel Diameter: 7.9 mm
• Weight: 28 g
• Country of Origin: Taiwan

Frequently Asked Questions

• What is the primary advantage of the fixed sleeve model?
  The stationary 4mm guide pipe provides zero tip wobble or mechanical play, giving professionals maximum stability and clear sightlines when drawing along straightedges and technical stencils.
• How does this model differ from the Precision RT?
  The Fixed model features a permanent 4mm technical guide pipe for drafting precision, whereas the RT model features a push-to-retract 3mm sleeve for pocket safety.
• What size replacement lead does this pencil use?
  It accepts all standard 0.5mm or 0.7mm graphite pencil leads depending on the selected variant size.
• Does the pencil come with an eraser?
  Yes, an extra-long white eraser is integrated beneath the top knock cap and can be replaced when depleted.
• Is packaging included with this pencil?
  Each TWSBI Precision Fixed pencil arrives in an authentic TWSBI presentation gift box containing spare leads and replacement eraser accessories.