Black Iron Corner Protectors For Speaker Cabinet Guitar Amplifier Part 1 Set. Size:Side length:app 2.7cm Diagonal length:app 4.3cm Screw hole:app 4.3mm Hole to hole:app 3.6cm. Conversion:1cm=0.39inch /1 inch =2.54cm. The item "5pcs Black iron corner protectors for speaker cabinet guitar amplifier part BS" is in sale since Friday, August 16, 2019. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Parts & Accessories".The seller is "bhsd-13" and is located in US. This item can be shipped to United States, all countries in Europe, Canada.