CONTACT US - Contractor Pricing Product Specifications Field Tested | Laser Arranged Diamonds | Low Dusting | Innovative Design Extends to 12" length when combined with our cap and crowns - sold separately. A threaded extention core tube designed to accept a removable crown, allowing for easy replacement and extended tool life. Sold separately, this durable tube provides a secure threaded connection, reliable alignment, and consistent performance when paired with compatible concrete core bit crowns. Often called continental tubing, continuous tubing, or deep core bit tubes. Our core bit caps, tubes, and crowns work to reduce waste that traditional core bits create. They also create an easier option for replacing crowns verses tradition retipping on core bits. Description Specifications Stock 1" Tube (D25.7/20.5)*L300mm In Stock 1.25" Tube ( D31.3/26.1)*L300 In Stock 1.5" Tube ( D38.7/33.5)*L300mm In Stock 2" Tube (D50.8/45.6)*L300mm In Stock 2.5" Tube (D62.4/57.2)*L300mm In Stock 3" Tube ( D75.2/70)*L300mm In Stock 3.5" Tube ( D87.7/82.5)*L300mm In Stock 4" Tube (D108/102)*L300mm In Stock 5" Tube ( D126/120)*L300mm In Stock 6" Tube ( D158/152)*L300mm In Stock *Select size for specific sizing options FREE Shipping for orders over $150 If you have questions or for contractor pricing, please contact us:[email protected]