supply of jigs and fixture sample -for demonstration jig sample - type and application - precision grinding jig designed to be mounted alongside a standard workshop bench grinder. used for accurate sharpening of standard twist drill bits. capacity - must securely hold and sharpen straight shank twist drills ranging from 3 mm (1/8 inch) up to 19 mm (3/4 inch) in diameter. adjustability - must feature a fully adjustable angle setting mechanism to accurately reproduce standard drill point angles (s