hi-tech diamond 4"/5" lapidary trim saw | cutting sawing trimming machine | includes 4" and 5" saw blades hi-tech diamond the american-made hi-tech diamond 4"/5" trim saw machine makes the perfect saw for trimming-out cabochon preforms in rocks, minerals and glass, or to cleanly trim smaller faceting material. this saw is lightweight, rustproof and impact-resistant, making it easy to travel with and very portable. its 1/4 hp, heavy-duty, ball bearing motor is variable speed, delivering speeds from 800rpm to 3,400rpm so you can cut at any speed you desire. a coolant reservoir is built right into the base of the machine and can hold up to 8 ounces of water. the removable saw table has a generous work area, measuring 7-1/2" l x 4-3/4" w, and sits right above the coolant reservoir to make cleanup easy. this saw is manufactured with a 5/8" arbor and comes with two different size saw blades. two different size saw blades gives you two different blade height options to accommodate the height of your cutting material. the included 4" blade allows you to cut a maximum height of 1". the included 5" blade allows you to cut a maximum height of 1-1/2". both saw blades are designed for cutting and trimming rock material such as turquoise, aqua, garnet, corundum, emerald and ruby. this hi-tech diamond 4"/5" trim saw includes the following: 4" x .010" x .013" silver notched diamond saw blade, 5" x .010" x .013" silver notched diamond saw blade, spray shield, allen wrench, complete written and visual instructions, and a one-year manufacturer warranty. all of our hi-tech diamond machines are brand new and manufactured in the u.s.a. we ensure the authenticity of your hi-tech diamond machine by us, the manufacturer.