Stanley 5-21-508 Surform Metal & Plastics Blade 10 Inch / 250mm​
The Stanley 5-21-508 Surform Blade measures 250mm or 10 inches in length with a width of 46mm. The Blade can be used for planing metals or plastics.

Features:
Adapts to SURFORM, 21-122 file plane, 21-101 flat file and the standard 21-107 and 21-103 planes
Special flat blade for soft metals and plastics
Will fit 21-122, 21-295 21-296 and 21-203
Will fit all 250mm surform frames
Specification:
Part number: 5-21-508
Blade width: 42mm
Blade length: 250mm