BlackJack 20mm Extender

BlackJack® 20mm Extender – SKU: 70972570

The BlackJack® 20mm Extender is a modular component designed to elevate and fine-tune the height of BlackJack® pedestal systems. With a ¾" (20mm) height increase per unit, this extender offers a simple and secure way to achieve precise leveling on decking or paving pedestal installations.

Product Details:

• SKU: 70972570
• Height: ¾" (20mm)
• Packaging: 76 pieces per box
• Unit of Measure: Box
• Compatible With: BlackJack® OneStep and HalfStep Pedestals
• Application: Modular height adjustment for raised deck/paver systems

Key Features:

• Adds 20mm (¾") elevation with a secure interlocking fit.
• Stackable for custom height configurations.
• Made for durability in outdoor environments.
• Ideal for use in sloped or uneven substrate conditions.
• Fast, tool-free installation.