RAM Mounting Systems RAM 202U 1525 Mount 1.5" x 2.5" Rectangle Base with 1.5" Ball TPATRAJAC3 SM 18 U PM W2 7 PM W4 7 PT3010 SC50 SC12 PMF 57 M1 PMF 107 M1 PMA 57 M1 PMA 107 M1 PMA 167 M1 PMA 247 M1 AM5 M1 AM12 M1 AM18 M1 PMA DM1 M2 PMA DM2 M2 ADA S1 ADA S3 RM8148 RM8KT1 S2 2112 PMA DM3 M1 SM G18 U AMA GXF S3 0502 SM 15 A S2 0313 S2 2638 72 0900 H24 72 0900 H25COM SM 18 U PM W2 7 PM W4 7 PT3010 SC50 SC12 PMF 57 M1 PMF 107 M1 PMA 57 M1 PMA 107 M1 PMA 167 M1 PMA 247 M1 AM5 M1 AM12 M1 AM18 M1 PMA DM1 M2 PMA DM2 M2 ADA S1 ADA S3 RM8148 RM8KT1 S2 2112 PMA DM3 M1 SM G18 U AMA GXF S3 0502 SM 15 A S2 0313 S2 2638 72 0900 H24 72 0900 H25COM Built in Wi Fi connectivity pairs with the free all in one mobile app for access to the OneChart™ feature Powder Coated Marine Grade Aluminum The "U" in the part number reflects product packaged in poly bag