This is a set of round rods and a precision saw for filling and reinforcing screw holes in guitars, etc. Photo 2 shows an example of filling a neck hole with a 5mm rod. <Precision Saw> - This is the saw with fine teeth and a sharp cutting edge, shown in the top row of the photo. - New and unused. - It is less likely to cause cracks in the cut material and less likely to scratch the body of the guitar, etc. (Please protect the surrounding area with masking tape, etc., just in case.) Round Rod Description - The description moves from the top row to the bottom row of the photo. - In addition to filling holes, it can also be used for reinforcement (e.g., the joint of a broken neck). <10mm Round Rod> - Made of high-strength beech wood. - Nominal diameter (diameter) 10mm / Length approx. 35mm / 4 pieces - Suitable size for re-drilling Floyd Rose bridge anchor holes. - Press-fit with a 10mm drill pilot hole, and the adhesive such as Titebond will get entangled in the spiral groove to bring out the bonding strength. - Since it is hard, carefully flatten the cut surface. <5mm Round Rod> - Made of ramin wood, which is also used for repairs by musical instrument stores. - Nominal diameter (diameter) 5mm (actual measurement: 4.8mm) / Length approx. 220mm / 2 pieces - Suitable size for filling neck mounting screw holes. - Glue with a pilot hole of 5mm or more. <4mm Round Rod> - Made of ramin wood, which is also used for repairs by musical instrument stores. - Nominal diameter (diameter) 4mm / Length approx. 220mm / 2 pieces - Suitable size for filling the mounting screw holes of Strat-type tremolo units (bridges). - One 220mm rod can fill the 6 screw holes (depth: approx. 30mm) of the bridge. - Glue with a pilot hole of 4mm or more. (4.1 to 4.2mm seems to be good) <Example of Hole Filling> - Photo 2: Filling a neck hole (using 5mm) - Photo 3 (left): Filling the anchor stud holes of a Floyd Rose (re-drilled for stud screws) - Photo 3 (right): Filling the mounting screw holes of a Stratocaster bridge Shipped via "Rakuraku Mercari Delivery".