The key is compatible with KW1 and KW10 keyways, which are very common in standard residential door locks (e.g., Kwikset).

Here is a long-form description based on the product’s purpose: 191 - KW1 Rainbow Key Blank Overview

To give you the most relevant information, is the you're interested in: The residential key blank ? A DIY craft or acrylic blank ? A cryptographic term (Rainbow Table)? Let me know which one fits your needs! Rainbow Key Chain – Simplified - Emily Ley

, which is a durable metal key blank featuring a colorful, vibrant design designed to be cut at hardware stores or locksmiths for standard residential doors.

If you were looking for alternative "Rainbow Key" items mentioned in the search results:

Based on the search results, "RainbowKey" most likely refers to the 191 - KW1 Rainbow Key Blank Go to product viewer dialog for this item.

Rainbow tables (Oechslin's paper) are used in cryptography to increase the success rate of attacks using hash functions.

Manufactured with durable metal construction, the key is designed for long-lasting daily use.