can I make .125" joints with this kit?

It does not come with a .125 spacer but you could make one. It could be made of metal or hardwood perhaps and you would have to find a .125 upward spiral milling bit. Do not use a rabbiting bit.

Is there any horizontal adjustment to make the tongues wider or narrower

The jig comes with 3 keys: 1/4, 3/8, and 1/2 inch. You can probably fabricate other sizes in between, but the jig is not big enough to accommodate much lager keys. They have another jig for that.

This picture doesn't match the one on rockler's site -- is this an older version? which one will i receive if i order it?

They only make two models, this one and the XL version which also does 3/4 cuts. There is no 'older' model.

I have a milling table and the distance from the strawberry to the rail where the rockler box joint is squeezed is 13.5 cm. would it be worth my table

Router Table Compatibility: Near edge of router table's miter track must be between 4-1/2'' and 6-1/4'' from the center of the router bit

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Router Table Box Joint Jig - Finger Joint Indexing Keys w/Three Finger Widths ¼”, ⅜” & ½” - Stable MDF Router Fence w/Low-Friction Melamine Coating - Knobs to Lock Platform w/ ¾” Miter Slot

Product ID: 380054830

Details

Brand
ROCKLER
Color
Yellow
Global Trade Identification Number
Item dimensions L x W x H
12.99 x 11.26
Manufacturer
Rockler
Material
MDF with nylon

📏3 precision brass indexing keys (¼”, ⅜”, ½”)

🛷Smooth sliding glass-filled nylon sled

🟨Durable melamine-coated MDF platform

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NT$5795

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Description

🔧 Master the Art of Joinery with Precision & Ease!

ALL IN ONE PRO KIT - Includes sled, platform, 3 brass keys, knobs, and sacrificial fence—everything to elevate your joinery game.
PRECISION FINGER SPACING - Interchangeable solid brass keys ensure flawless, repeatable box joints every time.
EFFORTLESS GLIDE CONTROL - Glass-filled nylon sled with long skis and stop tabs guarantees perfectly square, consistent cuts.
SECURE ERGONOMIC LOCKING - Comfort-grip knobs lock the jig firmly into your router table’s ¾” miter slot for stability.
DURABILITY MEETS SMOOTHNESS - Melamine-coated MDF platform reduces friction and tear-out for a sleek routing experience.

The Rockler Router Table Box Joint Jig is a professional-grade woodworking accessory designed for creating strong, tight-fitting box joints. Featuring three precision-machined brass indexing keys (¼”, ⅜”, ½”), a smooth-gliding glass-filled nylon sled with built-in stop tabs, and a durable melamine-coated MDF platform, it ensures consistent, tear-out-free cuts. Ergonomic knobs lock the jig securely into a ¾” miter slot, making setup quick and stable. Ideal for small to medium-sized boxes and cabinetry, this all-inclusive kit empowers woodworkers to achieve flawless joinery with ease.

Specifications

ASIN	B07H7K4PK8
Best Sellers Rank	#32,595 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #63 in Power Tool Accessory Jigs
Brand Name	ROCKLER
Color	Yellow (Yellow)
Customer Reviews	4.3 4.3 out of 5 stars (538)
Global Trade Identification Number	05024763208546
Included Components	Router Table Box Joint Jig
Item Dimensions	12.99 x 11.26 x 3.7 inches
Item Type Name	Rockler 422866 Router Table Box Joint Jig
Manufacturer	Rockler
Manufacturer Part Number	422866
Material Type	MDF with melamine coating, Glass-filled nylon
Model Number	422866
Style Name	Modern
UPC	733175503228 733175295024 733353556985
Unit Count	1.0 Count

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NT$5795

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In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

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