Aluminum Corner Blocks (Pair) by Marshalltown Tools Save Liquid error (product-badge line 32): Computation results to '-Infinity'% $4.20 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Made of cast aluminum for strength Will not rust Long stem allows blocks to be moved easily Slot in fork guides mason's line Large square and sturdy surface holds to wall Sold in pairs Item ID 16507