Simpson Strong-Tie MPB44Z MPBZ® ZMAX® Galvanized Moment Post Base for 4x4 w/ SDS ScrewsThe MPBZ® is specifically designed to provide moment resistance for wood columns and posts. With its innovative sleeve design, the MPBZ encapsulates the post and keeps it from rotating at its base when lateral loads are applied at the top. This provides both the specifier and the contractor with greater design options and the opportunity to reduce the need for bracing, creating more unobstructed views. This innovative off-the-shelf solution has been engineered and tested to save specifiers and contractors the time and expense involved in designing, calculating and ordering custom-fabricated parts. Also available for 6x6 and 8x8 posts.This Simpson product is designed for construction, connector, fastening, anchoring, and structural applications where dependable performance, durability, and jobsite-ready installation matter.Features Tabs inside the MPBZ provide the code-required 1 in. post standoff to help prevent rot from standing water and ground moisture Stamped indicators and internal tabs identify the required concrete embedment depth Strategically placed holes simplify installation to allow template attachment Optional obround holes have been added for attaching trim material Additional holes at the embedment line allow standing water to exit and a point of visual inspection One-piece design simplifies installation Post size: 4x4 Made from 12-gauge steel ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications Specifications ERP Part Number: MPB44Z UPC: 707392442974 GTIN: 707392442974 Feature 01: Tabs inside the MPBZ provide the code-required 1 in. post standoff to help prevent rot from standing water and ground moisture Feature 02: Stamped indicators and internal tabs identify the required concrete embedment depth Feature 03: Strategically placed holes simplify installation to allow template attachment Feature 04: Optional obround holes have been added for attaching trim material Feature 05: Additional holes at the embedment line allow standing water to exit and a point of visual inspection Feature 06: One-piece design simplifies installation Feature 07: Post size: 4x4 Feature 08: Made from 12-gauge steel Feature 09: ZMAX galvanization offers extra corrosion resistance for exterior and treated-wood applications Install With: Install with 1/4 in. x 2-1/2 in. Strong-Drive® SDS Heavy-Duty Connector screws (included) Assembled Depth - Imperial: 5.033 Assembled Depth UOM - Imperial: in. Assembled Height - Imperial: 15.485 Assembled Height UOM - Imperial: in. Assembled Width - Imperial: 4.750 Assembled Width UOM - Imperial: in. Base Product ID: MPB_Base Base Product Name: MPBZ® Brand Name: Simpson Strong-Tie® Category Tree (Computed): Wood Construction Connectors > Bases > Post Base Coating: ZMAX® Country of Origin: US Customer Unit: Yes Display Unit/Measure: EA EAN category: UC Fasteners Included: Yes Finish: ZMAX® Gauge: 12 GUID: 195199959163317897502064036393237017925 Logo Image: https://images.salsify.com/image/upload/s--Lkh4Jm6c--/vkrqlmpfxgflsa4yytuq.png Measurement Unit Text: each Member Size: 4x4 MFG Name: Simpson Strong-Tie® Number Category Description: UPC Packaging Quantity: 1 Packaging Type: Unpacked Product Class: Post Base Product Includes: 1/4 in. x 2-1/2 in. Simpson Strong-Tie Strong-Drive® SDS Heavy-Duty Connector screws Prop 65 - Cancer: Wood Dust Prop 65 - Long Text: WARNING! This product can expose you to chemicals including wood dust which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Prop 65 - Short Text: WARNING! Cancer - www.P65Warnings.ca.gov Prop 65 Warning: Yes Quantity: 1 Shipping Weight: 6.86 Short Product Name: 4X4 MOMENT POST BASE W/SDS ZMAX Strongtie.com URL: https://www.strongtie.com/standoffpostbases_castinplacepostbases/mpb_base/p/mpbz Subcategory: Wood Construction Connectors Subcategory 2: Bases US Patents: 11,072,940 Warranty PDF: https://images.salsify.com/image/upload/s--K_9ww28_--/bgqxyqo1uhaqsqcvudu7.pdf Brand Video: https://images.salsify.com/video/upload/s--N-SMFYx9--/wpz3sdgci9c512ppr9df.mp4 CAR Reference: 10707392442971 PAL Reference: 50707392442979 Lumber Size Infographic: https://images.salsify.com/image/upload/s--4j6m7m95--/of77l1vzb2adrmtseor4.png