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Denso (3297) SK20R11 Spark Plugs, Pack of 4

Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode.
Improve fuel economy, better acceleration and faster starts than all other single platinum plugs.
Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress.

90 degrees 2" mirror diagonal features sophisticated, lab-tested dielectric coatings that provide an astounding 99% reflectivity.
Dielectric mirror coatings are more durable than enhanced aluminum coatings and provide higher reflectivity for maximum view brightness.
Machined and anodized aluminum housing features machine-threaded glare baffles for high contrast.
Nosepiece barrel is threaded to accept 2" Orion filters, a 2"-1.25" step-down adapter is included.
The diagonal is a great way to make nighttime viewing orientations through a refractor telescope more comfortable.

90 diagonal features sophisticated, lab-tested dielectric coatings that boast an astounding 99 percent reflectivity.
Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings.
Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescope.
Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast.
1.25" nosepiece barrel is threaded to accept like-sized Orion eyepiece filters.

Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode.
Improve fuel economy, better acceleration and faster starts than all other single platinum plugs.
Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress.

Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings.
Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and cassegrain-type telescopes.
58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the....
Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment.
Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1. 25” Barrel.

PI (polarity index) /DAR (dielectric absorption ratio) with Trend It graphs identifies problems faster.
Memory storage through mobile Fluke Connect Measurements App eliminates writing down results, reduces errors and saves data for historical tracking over time.
Temperature Compensation through App helps establish accurate baselines and relevant historical comparisons.
VFD low pass filter for accurate motor drive measurements.
Includes auto discharge of capacitive voltage for added user protection.
Insulation test voltages 50 V, 100 V, 250 V, 500 V, 1000 V.

Enjoy better views through your telescope with this premium diagonal featuring diffraction-limited optics and dielectric coatings.
Provides a 90° viewing angle, perfect for more comfortable viewing through refractor and Cassegrain-type telescopes.
58 layers of dielectric coatings provide an over 99% reflective surface, ensuring the maximum amount of light collected by the telescope reaches the....
Twist-lock keeps the eyepiece centered in the diagonal to provide better optical alignment.
Accepts standard eyepieces, Barlow lenses, threaded filters, and other accessories with a 1.25” barrel.

35 Vinyl Color Coding Electrical Tape, 32 to 221 Degree F, 1250 mV Dielectric Strength, 20′ x 1/2″.
Dielectric Strength, 20′ Length x 1/2″ Width, Blue.
3M Scotch 35 Vinyl Color Coding Electrical Tape, 32 to 221 Degree F, 1250 mV.

Improves clarity with superior-grade, 99.99%-purity copper conductors.
Maintains signal integrity and 75-Ohm impedance using precision-formulated, polyethylene dielectric material.
Creates precise contact and increased durability with corrosion-resistant, 24k gold connectors.
Delivers maximum bandwidth with 75-Ohm coaxial construction.
Isolates noise with 100%-coverage aluminum/Mylar foil shield.
Video cables minimize interference and deliver brighter colors and sharper detail.
Separates brightness from color using 2 separate conductors to create clean, accurate signals.
Provides brighter, more natural colors and crisper picture quality than standard composite RCA.
Features precision-formulated polyethylene dielectric material.

Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode.
Improve fuel economy, better acceleration and faster starts than all other single platinum plugs.
Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress.

2" Diagonal Mirror with 99% reflection, optics are made with Pyrex glass..
Multi-layered dielectric coatings that produce 99-percent reflectivity for brighter, sharper images..
Comes with dielectric coatings for the most light transmission possible..
Suitable for refractors, Schmidt-Cassegrains, ACF, EdgeHD and Maksutov-Cassegrains..
2" - 1.25" reducing sleeve with brass compression ring, non-marring compression safety secures the eyepieces..

Seal & Protects: The role of insulating silicone grease is to sealant from air, dust& water to protect from corrosion, oxidation, leakage, etc..
Safe: High dielectric strength, safe to use on electrical and electronic components..
Material Friendly: Good compatibility with various plastics and metals. It prevents the plastic from becoming brittle..
Environmentally Friendly: Our spark plug grease is non-toxic, tasteless & non-irritating, which will not cause harm to the environment..
Application: Our dielectric grease is ideal for spark plug connector, automotive electrical connections, headlight sockets, etc..