Mini Base 20 Base unit for our MC slides, hardened and ground with the adjustment tolerances and has a slide retainer built-in. MB202056$299.55PriceQuantity*Add to CartFEATURES Stroke (Value) - 4 mm. Undercut Width (Value) - 20.5 mm. Mechanism Type - Mechanical Cooling Available - No SHIPPING INFOShipments to US and Canada only. All in-stock orders will ship within 1 business day. Standard Shipping is 3-5 Business days. Expedited Shipping is available. RETURN & REFUND POLICYReturns accepted upon approval within 30 days of the invoice date. Products must be in perfect condition with all accessories. All Returns are subject to a 15% restocking fee.