The Wera 3950 PKL in 3mm is a versatile and frequently used size, well suited to M4 socket head screws found across a broad range of engineering, fabrication, and assembly tasks where stainless fixings are common. High-grade stainless steel construction means this key won't leave rust contamination on stainless screws — a particularly important consideration in food processing, marine, or medical environments. The Hex-Plus profile provides enhanced engagement within the screw head, reducing notc
The only currently-tracked offer for this product.
| Merchant | Price | Shipping | Total | Rating |
|---|
| Tooled Up· new | £4.95 | £5.95 | £10.90 | — |
Price shown as reported by the merchant — final price is confirmed at checkout. See Affiliate Disclosure.
