Mad Murderer Knife

Gearby Roblox62,881 favourites

Uploaded 8 August 2014 — 12 years old · last updated 12 April 2016

500 Robux

Price verifiedchecked 11d ago — what this means

We re-read this item's Roblox catalog listing and it answered 500 Robux. It has not moved since we started tracking it on 2026-08-25.

Last checked 21 Sept 2026, 01:21 UTC against Roblox's catalog listing.

How we verify →

Item ID

170897263

About this item

Stab your enemies to instantly blox them. U mad bro? Yep.

62,881Favourites

500 R$Price

GearCategory

8 August 2014Uploaded

12 years oldAge

#51of 1,231 gear

How popular is this item?

Mad Murderer Knife is the #51 most favourited of the 1,231 gear we track, with 62,881 favourites — more than 96% of the category. It has been on the catalog for 12 years. Roblox shows the favourite count on an item's own page but never says where that sits against everything else in the slot, which is the part we work out here.

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Is this a good price?

At 500 Robux it is cheaper than 29% of the gear we track, where the typical price is 500 Robux. Remember Roblox takes 30% of every sale — see the tax calculator if you are the one selling.