3M Fibre Disc 787C, 80+, 4-1/2 in x 7/8 in, Die 450E Taps & Dies Square Socket:

Square Socket:

Hole Configuration

2 Neodymium Drivers In Each Ear Cup: 30mm 32Ω for Treble 40mm 32Ω for Bass

Triwing: #0

interchangeable blades or bits

3M Fibre Disc 787C, 80+, 4-1/2 in x 7/8 in, Die 450E Taps & Dies Square Socket:General Information Brand 3M Attachment Type Center Hole Bond Type Resin Coat Type Closed Coat Country Of Origin United States Lead Time 2 days California Residents Proposition 65 Warning Dimensions and Specifications Center Hole Diameter (Imperial) 0. 875 in Center Hole Diameter (Metric) 22. 225 mm Grit 80+ Hole Configuration 450E Maximum Speed 13300 rpm Overall Diameter (Imperial) 4. 5 in Overall Diameter (Metric) 114. 3 mm Center Hole Thread Size