





🛠️ Punch Perfect Every Time — Because Your Work Deserves Precision
The Klein Tools 53728SEN Knockout Punch Set features an optimized design that reduces wrench effort, enabling clean, accurate 1/2-inch holes in up to 10-gauge mild steel, aluminum, fiberglass, and plastic. Its split slug design allows for easy removal, making it a durable, lightweight, and professional-grade tool crafted with over 160 years of American family-owned expertise.












| ASIN | B008KC4308 |
| ASIN | B008KC4308 |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (150) |
| Customer reviews | 4.5 4.5 out of 5 stars (150) |
| Date First Available | 17 June 2014 |
| Date First Available | 17 June 2014 |
| Included components | 53728SEN |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 204 g |
| Item model number | 53728-SEN |
| Item model number | 53728-SEN |
| Manufacturer | KLEIN TOOLS |
| Manufacturer | KLEIN TOOLS |
| Material | Alloy Steel |
| Number of Handles | 1 |
| Number of Holes | 1 |
| Part number | 53728SEN |
| Product Dimensions | 6.6 x 2.54 x 2.54 cm; 204.12 g |
| Product Dimensions | 6.6 x 2.54 x 2.54 cm; 204.12 g |
| Size | 1/2-Inch |
C**X
Con un buen huso esta herramienta puede durar suficiente
O**N
Outil de très bonne qualité
Q**R
These tools work well, but be aware the sizes listed are not the actual diameters of the holes they make. They make "trade size" knockouts for 1/2" and 3/4" conduit fittings (well known to electricians). Also, these tools require "pilot holes", which are smaller holes drilled through the center of desired larger hole. A "draw bolt" runs through the pilot hole to guide the punch. Make sure to keep the threads on the draw bolt well cleaned and lubricated since they shoulder a lot of force. I just did a couple test punches and measured with calipers: The 1/2" punch (53728SEN) needs a 3/8" pilot hole, and makes a 7/8" (0.885", 22.5mm) hole. The 3/4" punch (53727SEN) needs a 3/4" pilot hole, and makes a 1-3/32" (1.095", 27.8mm) hole. The description really should include this information.
G**Z
Es Excelente producto
J**O
la herramienta tiene muy buena resistencia y facil de usar
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