Features: High quality metal material, reliable and durable in use. Compact size, light weight, smooth running and easy operation. Energy saving, low air consumption and low noise. High precision and efficient, save both time and labour. It can be used for fastening leather shoes, picture frames, wood and plastic thumbtacks. Specification: Material: Metal Weight: 725g/25.6oz Thumbtack diameter: 11.7mm/0.5inch Power: pneumatic Working pmressure :4-7kg/cm² Air intake excuse: 1/4" Suggested trachea: 6*8mm Compatible: 0630 / 0750 / 0860 / 0960 / 1080 / 1230 Package List: 1* Pneumatic Pin Gun