Metal Screw Knob Grand Piano Wrist Tool Extended Piano Wrist Block

This grand piano wrist tool is crafted as a solid wood instrument accessory with a smooth natural wood finish. It features a rectangular shape, a small drilled hole near one end, and includes a black metal screw knob plus a small wooden spacer block for assembly. Designed as a repair block and wood piano brace, it helps support piano wrist adjustment and related maintenance tasks during grand piano servicing. The piano wrist block measures about 33 cm long when folded and about 56 cm when extended, with a width of about 2.8 cm, a height of about 8 cm, and a weight of about 600 g. Built for accurate positioning and stable use, this tool provides a dependable surface for repair handling, helping keep maintenance work organized and controlled.