You are about to set up an account. For this process, you will be asked to provide personal information about yourself and possibly your organization. We invite you to read our Privacy Policy concerning any use of this information that you provide to us.

Benefits of setting up an Account:
  • Allows personalized content such as Favorite Items to be viewed.
  • Conveniently stores information to be used at checkout, such as billing and shipping addresses (Payment information is never stored on the website).
  • Get customized pricing for your organization (when available).

Join Our Mailing List!

Preferred Email Format

* Required

Advanced Search

TUFFBLOK™ 4-Way Interlocking Tube Racks

By Globe Scientific
TUFFBLOK™ 4-Way Interlocking Tube Racks

Link multiple racks together for a custom solution with TUFFBLOK™ interlocking tube racks. Made of autoclavable polypropylene with heavy-duty construction for durability and chemical resistance. TUFFBLOK™ racks are available in multiple colors and have numeric markings for easy sample identification. The versatile design accommodates different tube sizes on each side.

The four sides hold the following tubes:

  • Four—50mL tubes
  • Twelve—15mL tubes
  • Thirty two—1.5mL tubes
  • Thirty two—0.5mL tubes

Dimensions (L x W x H): 6.7 x 3.8 x 2.4"

Cat.No. Name Color PK   Seal Color
119-456940B TUFFBLOK™ 4-Way Interlocking Tube Rack Blue $42.90
Add To Favorites
119-456940C TUFFBLOK™ 4-Way Interlocking Tube Rack Natural $42.90
Add To Favorites
119-456940G TUFFBLOK™ 4-Way Interlocking Tube Rack Green $42.90
Add To Favorites
119-456940N TUFFBLOK™ 4-Way Interlocking Tube Rack Orange $42.90
Add To Favorites
119-456940P TUFFBLOK™ 4-Way Interlocking Tube Rack Pink $42.90
Add To Favorites
119-456940Y TUFFBLOK™ 4-Way Interlocking Tube Rack Yellow $42.90
Add To Favorites
119-456940AST TUFFBLOK™ 4-Way Interlocking Tube Rack Assorted $42.90
Add To Favorites

The following items have been added to your cart:

Choose a favorite list for this item:

Catalog Number Description Price

Request Literature

Please fill out the form below if you want to request literature from Krackeler Scientific.


Quick Order

* Required

New Year Price Updates

We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Register and login to the website.
  2. Receive a quote from your sales representative or customer service.
  3. Have your copy of the quote in hand.
  4. Visit our quote module to search for your quote.
Back to Top