Does anyone have instructions for these? Each one has a number but I am not sure which one to use for what job

To add to what others have said, the EX is is for "extracting" (wet) silicon if u don't like your work and want to redo. Don't know what R, RK, and RS is though. Can someone mention?

What do the letters mean on the tools rs rk ex

I’m not sure sorry, I didn’t notice them I just selected the tool that looked like it would cover gap the best after watching a few YouTube videos on how to silicone properly

How do one know which tool size to use for what job. Are instructions included?. Thnx

There aren’t any instructions . You look at the gap you are dealing , judge how much silicon to apply Cut the nozzle on the end to suit what you are doing .then select the silicon finishing tool to suit that and remove as little as possible , but leave a straight consistent line of silicon Look on YouTube for examples

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XCOZU 4-Piece Portable Blue Silicone Caulking Kit - Multi-Edge Sealant Applicator Tool Smoother Mastic Tool for Kitchens, Bathrooms

XCOZU 4-Piece Portable Blue Silicone Caulking Kit - Multi-Edge Sealant Applicator Tool Smoother Mastic Tool for Kitchens, Bathrooms

Product ID: 146304322

Details

Brand
XCOZU
Item weight
0.08 Pounds
Material
Silicone
Style
Compact
Water resistance level
Water

👜compact & portable design

💧water-resistant & easy clean

🔹4 versatile silicone edges

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Description

🔧 Seal it like a pro—because your home deserves the perfect finish!

TIME COST SAVER - Eliminate masking tape and reduce sealant waste with smooth, professional finishes every time.
PORTABLE COMPACT - Lightweight and easy to carry, perfect for on-the-go home improvement pros.
DURABLE SILICONE BUILD - Comfortable grip and resilient material that won’t deform, ensuring long-lasting use.
EFFORTLESS MAINTENANCE - Simply wipe clean with a damp cloth—ready for your next project in seconds.
PRECISION MULTI EDGE DESIGN - Tackle every angle with 4 specialized silicone edges for flawless sealant lines.

The XCOZU 4-Piece Portable Blue Silicone Caulking Kit features four uniquely shaped silicone edges designed for precise sealing in kitchens, bathrooms, floors, and windows. Made from durable, water-resistant silicone, these tools provide a comfortable grip and easy cleaning. Compact and lightweight, they save time and money by eliminating the need for masking tape and reducing sealant waste, making them an essential addition to any DIY or professional toolkit.

Specifications

ASIN	B07TYLT8HD
Best Sellers Rank	24,000 in DIY & Tools ( See Top 100 in DIY & Tools ) 136 in Masonry & Tiling Tools
Brand	XCOZU
Colour	blue
Compatible Material	[A range of common building materials]
Country Of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (5,054)
Item Form	Gel
Item Weight	0.08 Pounds
Manufacturer	XCOZU
Manufacturer Part Number	sahg-mfjgj658h97
Material	Silicone
Number of Items	4
Style Name	Compact
Surface Recommendation	Floor, Window
UPC	791256269197
Unit Count	4 count
Water Resistance Level	Water Resistant

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S$9

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