http://media.wix.com/ugd/2d9d14_dc4289a59af6c9545a0ffb43bac53eea.pdf?dn=XP10Snares.pdf
The Above PDF is for the XP10 Snare Drums
The Below PDF is for the Rogers Big R Period.
http://media.wix.com/ugd/2d9d14_48e917f5751f395e56d060a41d5b71d6.pdf?dn=BIG+R.pdf