We make the holder out of steel instead of aluminum because the hard outer shells of the bearings eventually wear aluminum out when the small wheels are continually removed & inserted; our bearing pockets are also case hardened. Finish is durable powder coating. For the small wheels we use 1018 steel & the wheels are surprisingly durable & grind finger grooves precisely. The set consists of 5 popular diameters: 1/2", 5/8", 3/4", 7/8" & 1. As with all small wheels it is important not to spin these too fast, the bearings are too small to handle high rpm's.
We find that a 1800rpm motor with 4 drive wheel provides a speed which is tolerable for moderate lengths of operating time. Keep checking the bearings for heat even at this speed.
Higher quality grinding belts have smooth seams which will hardly be noticeable on these hard wheels but cheaper quality belts, especially coarse grit belts will be bumpier than rubber or urethane coated wheels. The item "Belt Grinder 2x72 small wheel set & holder for knife grinders" is in sale since Thursday, December 31, 2015. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tool & Air Tool Accessories\Abrasives\Grinding Wheels & Cut-Off Wheels".
The seller is "originblademaker" and is located in Hillsboro, Oregon. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation, Montserrat.