Rubber
1.5-inch Diameter Rubber Wheel Skateboard Trolley Caster Pulley Black 4pcs
What stands out about this is the rubber that maintains its grip when wet.
3M Hook Fastener SJ3526N Black 1 in x 50 yd
You will find that the black finish doesn't chip easily, even with regular use.
Vibration Isolator, 50 Lb Max, 5/16-18, 2Npa3
This rubber component is reinforced with fibers for extra tensile strength.
Over 40 Assorted Laboratory Stoppers Rubber Black Tapered Plugs, sizes 0-12
You will find that the black finish doesn't chip easily, even with regular use.
Assorted Laboratory Stoppers Rubber Black Tapered Plugs Lot Of 150+
What stands out is how the black shade unifies different parts of the design.
(QTY 2) Nellyke Furniture Movers with Wheels 880 Lbs Capacity with 120in Rope
What stands out is how the black shade unifies different parts of the design.
Mighty Line 6Rw Floor Marking Tape, Rubber, No Legend, White, 6 In W.
What makes this product handy is the rubber that grips even when hands are sweaty.
Mighty Line 6Rychv Floor Marking Tape, Rubber, Striped, Black, Yellow, 6 In W.
What stands out about this is the rubber that remains non-slip even when oily.
HRC130 Coupling Insert Black Rubber Element for HRC Couplings Stocked CA
What stands out about this unbranded item is the value for the price.
Tough Guy TOUGH GUY Black 18" Replacement Squeegee Blade 1EUB8 Tough Guy 1EUB8
A nice touch is the black storage compartment that keeps accessories organized.