Click to expand Tap to zoom 20mm (3/4") Solid Dee, GM/NF, 6/PK 1 review Save 0% $2.99 USD SKU 1131-64 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Size: 20mm (3/4"). Gauge: 4mm (5/32"). Finish: GM. Nickel free plating. 6 pcs/ pack.