Combined Drill & Countersink, #4/BS4, 1/8

Combined Drill & Countersink, #4/BS4, 1/8" Small Diameter, 5/16" Large Diameter, High Speed Steel

Marsoni

M251S

$20.42

Get it in 3 business days with 1 day shipping. Friday, May 29

Combined Drill & Countersink, #4/BS4, 1/8" Small Diameter, 5/16" Large Diameter, High Speed SteelBright finish improves chip flow in soft or non ferrous materials 60 countersink Recyclable packaging Specifications Material High Speed Steel Number Size #4 BS4 Small Diameter 1 8" Decimal Size 0. 125" Large Diameter 5 16" Countersink Angle 60 Manufacturing Standards BS 328 Size 1 8" Depth 1XD Body Diameter 5 16" Overall Length 2 1 4" Finish Bright Manufacturer Series A225 Cutting Direction Right Hand Countersink Grade General Purpose Country Of

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Honestly I didn't think this ball would last but 2 years later and only one battery change later and it is going strong. This ball has given me so much more time to play with my dog since I can throw the ball at night on short winter days I can't recommend it enough. I can throw the ball at night and my dog can find it in the dark. Add a collar LED and it's a funny light show of one light intercepting another.

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Reviewed in the United States on February 26, 2026

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Davis

Phoenix, US

★★★★★ 4

Great for pm at the park!

This is alot like Nite Eyez but not as good but if you have never used Nite Eyez you will love this!! I have an am. staff that i take to the park at night so she can run around without the fear of a dog running up on her (she doesn't like that) and this ball is great! Stays lit and changes colors and it she cant destroy it!

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Reviewed in the United States on November 1, 2025

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L. Reller

Draper, US

★★★★★ 5

Works Great!

This is a new version of an old style that was the best most durable, and long lasting night time balls!!! They stay on long enough for me to find if my lab cant find it. (We have an acre backyard and in ground swimming pool) sometimes I have to retrieve it. Stays on and auto shuts off after inactivity. They ARE waterproof and we play in the pool with them on night swims. My lab is very hard on balls, very few hold hold up to his chomping on them. Great balls!!

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Reviewed in the United States on October 30, 2025

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Jacqueline M.

Bozeman, US

★★★★★ 1

not worth the cost

I love these balls for night time ball playing but they dont last. The last 4 Ive bought havent worked well or lasted more than a month. They were once worth the money

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Reviewed in the United States on April 1, 2026

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james allen

Omaha, US

★★★★★ 3

Great Idea but they will let you down eventually

I have used these for years during the winter. The price has nearly tripled but the longevity is the same. I normally purchase three with one being a spare. Within a few weeks they start going. I switch batteries etc but normally that does not help. Its a great idea and my dogs love them but they dont hold up to 10 minutes of play each nite. We do not throw them either, I roll them or kick them as my dogs are older

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Reviewed in the United States on November 12, 2025