Read CMC Marine's Warranty Policy Here CMC Transom Wedges and Setback Spacers (Item #20122) These 2 degree wedges are designed to give extra positive or negative trim. Features: Used as an aid for boats with an insufficient transom angle or for boats having planing problems at low speed Unique design of the CMC Transom Wedges allows you to also use them as set back spacers Simply stack and invert 2, 4, and 6 sets (sold in sets of two) Fit all Transom jacks, jack plates, Outboard lifts, tilt trim units, and outboard motors with a standard B.I.A bolt pattern Made of strong 6061 T6 alloy aluminum (not cast aluminum) OEM/Bulk Product Name Packaged 20122 CMC, Transom Wedges / Setback Spacers