What is the diameter of the scribe rod ?

1/4”You can take the one rod out and put a pencil in it.I use it like that for doing a true radius.I put a piece of 3/4”x3/4”x8’ piece of poplar wood on them.And I could do up to a 14’ perfect circle with them setting them to 7’ as an example.

Can we fit an X-acto knife into this clamp?

The description mentions ball point pens which seem to be at least equal to or larger than the xacto knife handle. If you wish, look at the Grizzly Trammel point (on Amazon). It shows an optional point clamp option on one of the trammel points, and that might be what you are looking for.

What size pencil lead will fit these trammels?

A draftsman pencil lead will fit the fitting or a metal point ( a wood common pencil will not fit).

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General Tools General, 523, Trammel Set, Stainless Steel

Product ID: 6454073

Details

Age Range (Description)
Adult
Brand
General Tools
Color
Silver
Ink Color
Black
Writing Instrument Form
Scriber

📏2 precision trammels included

🔧Adjustable fine screw for exact settings

🛠️Fits beams 5/8" to 1.5" wide

Bs.1343

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Description

🛠️ Mark with precision, craft with confidence!

CUSTOMIZABLE MARKING TOOLS - Replaceable points accept pencils, pens, crayons, or soapstone for any surface
DUAL PURPOSE MARKING MASTERY - Includes 2 trammels with versatile 6" scriber points for large circles and contours
PRECISION AT YOUR FINGERTIPS - Fine adjusting screw ensures flawless point placement every time
BUILT TO LAST BUILT FOR PROS - Durable die-cast body with ground needlepoint legs for reliable, long-term use
UNIVERSAL CLAMP COMPATIBILITY - Heavy-duty clamps fit beams from 5/8" to 1-1/2", adapting to your project needs

The General Tools 523 Trammel Set features two stainless steel trammels with adjustable 6" scriber points, designed for marking large circles and contours. Its fine adjustment screw and heavy-duty clamps fit beams from 5/8" to 1-1/2" wide, while replaceable points allow versatile marking options. Built with a durable die-cast body and ground needlepoint legs, this set is engineered for professional-grade accuracy and longevity.

Specifications

ASIN	B00004T7R5
Best Sellers Rank	#122,974 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #172 in Construction Marking Tools
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (417)
Date First Available	May 15, 2000
Included Components	.....
Item Package Quantity	1
Item Weight	4.8 ounces
Item model number	523
Manufacturer	General Tools
Material	Stainless Steel
National Stock Number	5210-01-430-0676
Part Number	523
Product Dimensions	7.25 x 2.13 x 1.75 inches
Size	1 Count (Pack of 1)
Style	Adjustable
Tool Tip Description	Fine
Warranty Description	Manufacturer

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Bs.1343

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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