Starter Gear Nut Spanner Socket by Bikeservice Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $25.00 SKU APO-BS2493 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Features: 4 point spanner socket is specifically designed to engage the nut without engaging the crankshaft. Size: 29mm x 40mm - 4 point x 65mm (depth). Use with 1/2" square drive.