
NuMax S2-118G2
Score: 82/100
Keentech Pneumatic Staple Gun
Score: 78/100Rankings

The NuMax S2-118G2 is a versatile 2-in-1 pneumatic tool combining a brad nailer and narrow crown stapler for finish carpentry. It offers excellent value with a large included fastener kit but suffers from a small magazine capacity. It is ideal for DIYers and light contractors performing trim and cabinetry work.

The Keentech KT-8016A is a lightweight 21-gauge pneumatic stapler designed for precision upholstery and fabric work. Its main trade-off is the limited staple length range and the need to buy staples separately. It is best suited for hobbyists and DIYers working on furniture framing and crafts.
| Attribute | ![]() | ![]() |
|---|---|---|
0.25 mm | 0.5 mmbest | |
85 psibest | 85 psibest | |
100 staples | 150 staplesbest | |
| ↓ lower better | 3.09 lbs | 1.82 lbsbest |
| ↓ lower better | 0.028 cfmbest | — |
| ↓ lower better | 18 gaugebest | 21 gauge |
| ↓ lower better | 9.65 inches | 8.66 inchesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Magazine & Capacity(1) | ||
Magazine Capacity (staples) | 100 staples | 150 staples |
Controls & Safety(3) | ||
Depth Adjustment | true | false |
Safety Mechanism | Sequential Trigger | Double Safety Trigger |
Jam Clearing Mechanism | Standard | Tool-free |
Fastener Compatibility(3) | ||
Staple Length Range | 1/2-1.625 | 1/4-5/8 |
Staple Crown Width (mm) | 0.25 mm | 0.5 mm |
Staple Gauge (gauge) | 18 gauge | 21 gauge |
Air & Power Requirements(1) | ||
Operating Pressure (psi) | 60-110 psi | 70-100 psi |
Ergonomics & Build(3) | ||
Tool Weight (lbs) | 3.09 lbs | 1.82 lbs |
Handle Type | Comfort Grip | Ergonomic Rubber |
Housing Material | Die-cast Aluminum | Aluminum Alloy |
Physical Dimensions(1) | ||
Tool Length (inches) | 9.65 inches | 8.66 inches |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the NuMax as a versatile and value-oriented tool ideal for DIYers and light professional contractors, praising its ergonomic design and durable aluminum construction.
Users appreciate the ease of use for crafts and trim work, specifically praising the lightweight design and included fasteners, though some note the need for precise air pressure.




Professional reviewers praise the consistent firing performance and user-friendly features like easy-load magazines, noting its durability for DIY applications.
Users praise the smooth operation and large magazine capacity, but some complain about occasional jamming on dense woods and the need to purchase staples separately.