... :9.1mm 2.Capacity:100pcs 3.Professional for leather processing. 23GA fastening tool for leather 77F Features and Benefits:1,Integrity ... 2,Economical air consumption ,low noise.3,Hardened special steel driver for long life.4,Light weight,reduces working fatigue.5, ... .6,Special treatment on cylinder surface,less friction.7,Used for Fur and Leather processing. Specification:Weight:0.95kgDimensions: 208 ...