... . soft bond for hard material 4. coorespondent formulaes for exact stone Usage:1. For stones, such as granite, marble, natural and artificial ... angles. Other sizes and types as below:- Size(inch)3, 4, 5, 6, 7, 8, 9TypeSingle Row, Double Row, Turbo Row ... : metal, eluminum; with or without holesDifferent turbo as below:- Sang 4 inch double turbo diamond cup grinder with aluminum body in ...