Gibraltar SC-PLRA Perc L-Rod Attachment 9.5Mm Attachment grabber multi-clamp with (2) L-rod adjustments and can mount on any cymbal arm or L-rod Fully adjustable 10 5mm eyebolts Great for mounting cowbells, blocks, drumset tambourines, etc With two 3/8"-diameter ratchets cast together and an L-rod, this attachment expands the mobility of mounted percussion accessories