Knurled or rubber dumbbell grip: which should you choose?

What is the difference between knurled and rubber-coated handles? Knurling usually means a cut pattern in bare metal, while a coated handle carries a layer of rubber, vinyl or neoprene. The comparison here is among coated surfaces.

Which of these dumbbells have a coated grip? The Amazon Basics rubber hex lists a rubber handle, the Amazon Basics hexagon a vinyl exterior, and the Marcy a neoprene handle.

How do you choose a dumbbell grip surface? Start with the handle material, then read the texture and shape wording, and settle on the surface that matches your training.

Knurling usually means a cut pattern in the metal of the handle; a rubber-coated handle instead wears a layer of rubber, vinyl or neoprene. Treat that as general background rather than a listing fact. None of the three products below is described as knurled, so none gets presented as a knurled option.

The real decision, then, is among coated surfaces: rubber, vinyl or neoprene. Before buying, read each listing's handle material and texture wording, because the material is what ends up in your palm.

Every product here has a coated or covered surface, yet the three are not the same thing. The table keeps each listing's own wording, since rubber, vinyl and neoprene should not be lumped together.

The two Amazon Basics models deserve a second look. The rubber hex gives rubber as its handle material and describes its heads as rubber encased. The hexagon names alloy steel as the handle material beneath a vinyl exterior, so do not read it as a rubber handle.

Pick a grip surface by checking the handle material first, then the texture and handle shape the listing describes, and last how the heads behave on the floor. The wider dumbbells range lets you compare more options.

1. Handle material. Rubber, alloy steel under vinyl, and neoprene each hand you something different to hold. The table above shows which product lists which.

2. Texture wording. The rubber hex mentions a textured surface and the Marcy a soft, textured one. The hexagon says non-slip but says nothing about texture.

3. Handle shape. Both the rubber hex and the hexagon list a contoured handle.

4. Rolling. Hexagon-shaped ends appear on both Amazon Basics models, and the Marcy lists a no-roll head.

Read the product page for the exact weight and quantity before ordering. To study one model more closely, open the Amazon Basics Rubber Hex Dumbbell analysis.

Choose the rubber hex for a rubber handle with a textured surface, the hexagon for a vinyl-covered dumbbell, and the Marcy for a soft neoprene surface.

• Arms, chest, back, core or legs with one rubber handle: the Amazon Basics Rubber Hex Dumbbell is listed for all of these. Trade-off: the listing sells one dumbbell, so check the quantity.

• A vinyl-covered pair: the Amazon Basics Hexagon Dumbbell Hand Weights list a vinyl exterior that protects floors and equipment. Trade-off: the handle itself is alloy steel, and the listing offers no texture detail.

• A soft neoprene surface: the Marcy Neoprene Dumbbell is described as soft and textured, with a slip-resistant handgrip. Trade-off: it is sold as a single dumbbell, so order two if you want a pair.

Tempted by a bare chrome handle? The HANDBODE set and the CAP rack set both list chrome handles, yet neither says whether the handle is knurled or what its texture is like. Study that listing closely before you commit.

No listing says whether a handle is knurled, and none speaks to how the coatings wear over time or feel in sweaty hands. Handle diameter also comes in a form that rules out a like-for-like thickness comparison. The listings back "non-slip" and "textured", not long-term feel.

• Confirm the handle material and texture wording on the listing you plan to buy.

• Hunt for owner feedback on durability and grip, since the listings are silent there.

• Head back to the dumbbells category when you want other grips side by side.