Wiha® 711 Hex Universal Magnetic Insert Bit Holder, 1/4in, x 2.9in
1/4" 六角插口 钻头座 1/4" 驱动 2.91"（74.0mm）
得捷:
BIT HOLDER HEX SOCKET 1/4" 2.91"
贸泽:
Screwdrivers, Nut Drivers & Socket Drivers Universal Mag Insert Bit Holder 1/4"
Newark:
# WIHA 71130 Wiha Universal Magnetic 1/4 Power Bit Holder, Dimensions: 1/4 x 2.9 , Features: Fits in most power tools