The 4 most used stones/files for the working gunsmith. All angles, edges, corners are sharp, true and straight. Great for trigger and sear work! Made from first-quality, hard Ozark Quartz, with a minimum of variations within each stone.

SPECS: Set includes: ј" (6.3mm) x 3" (7.6cm) Triangle; 3/8" (9.5mm) x 3/8" (9.5mm) x 3" (7.6cm) long Square; ј" (6.3mm) dia. Round; 3" (7.6cm) long x 1" (2.5cm) deep Knife, 1/8" (3.2mm) wide at the back, tapering to 1/16" (1.6mm) at the edge. Fitted tray protects stones.