PB Swiss Tools ชุดไขควงเปลี่ยนหัวได้ PB 6510 R-100
Insider 3: Ratchet handle for bits 1/4", with integrated magazine for 10 PrecisionBits C6 With 3 functions : left turning, right turning and locked position; length of blade: 100 mm The ratchet function can be easily reversed with one hand
