JR3030, JR3030T Description Recipro Saw CONCEPTION AND MAIN APPLICATIONS 7-1/4") Model JR3030 is developped as a version up type of the existig 8mm(1 JR3 030 : 43 (18-1/8 ") model JR3000V. 460mm JR3 030T : 157mm(6-3/16") Model JR3030T is a toolless type of JR3030,(...