Standard Hobby Knife Handle with Diamond Knurling
Decorative Object / Tool (Hobby Knife) · Generic/Unbranded (similar to X-Acto, Fiskars, or Excel Blades)
Pattern: Utility Design / Knurled Grip Pattern

Type
Decorative Object / Tool (Hobby Knife)
Maker
Generic/Unbranded (similar to X-Acto, Fiskars, or Excel Blades)
Material
Machined Aluminum (Silver-tone/Matte finish); No precious metal content
Dimensions
Approx. 12 cm length, 8 mm diameter; Weight approx. 15-20 grams
Description
A utilitarian aluminum craft knife handle, often mistaken for a silver object due to its metallic luster. It lacks the hallmarks or patina of sterling silver.
Key Features
Threaded tip for blade insertion, diamond pattern texture, lightweight aluminum alloy
Material & Composition
Machined Aluminum (Silver-tone/Matte finish); No precious metal content
Finish & Decoration
Mechanical knurled grip with brushed aluminum finish; No engraving or hallmarks
Hallmarks & Stamps
None visible; Likely lacks any purity or maker marks
Construction Details
Machine-lathed aluminum tube with knurled sections and a threaded collet mechanism
Functional Features
Interchangeable blade collet (empty), threaded tightening sleeves
Handle & Grip Details
Double-section diamond-cut knurling for slip-resistant manual precision
Craftsmanship Details
Industrial machine-turned finish with standard CNC knurling
Authentication Indicators
Lack of '925' or 'Sterling' marks; light weight; matte grey oxidation characteristic of aluminum
Origin & Manufacturing
Likely mass-produced in China or Taiwan
Era & Period
Modern / Industrial (Post-1950s design)
Age Estimate
Contemporary (Produced within the last 10-20 years)
Cultural Significance
Iconic tool of 20th-century graphic designers and model makers.
Condition Notes
Good; minor surface abrasions, clear threading, lightly tarnished (oxidized aluminum)
Value Estimate
$2.00 - $5.00 USD (Insignificant as a collectible silver item)
Care & Maintenance
Keep dry; light machine oil on threads to prevent seizing; do not use silver polish
Similar Pieces
Sterling Silver fountain pens or mechanical pencils (which would have hallmarks)
Interesting Facts
The design is based on the 1930s medical scalpel adapted for hobbyists by Sundel Doniger.