The Pearl SP20/2 is a pair of bass drum spurs featuring new wing bolts and maximum traction. These are for the modern Export style bass drums. InchesT Inches hole configuration; vertical measurement reflects length from bottom hole center to perpendicular mid-point between two horizontal holes. Includes mounting screw(s). The Vertical Hole Spacing is 1 1/4 Inches, and the Horizontal Hole Spacing is 1 3/4 Inches
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