Bluetooth Numeric Keypad, Rechargeable Aluminum 34-Key Number Pad Slim External Numpad Keyboard Data Entry Compatible for MacBook, MacBook Air/Pro, iMac Windows Laptop Surface Pro etc Black cocoon Product Specification: Holes: Pre-tinned Dimension:

Product Specification: Holes: Pre-tinned Dimension: 4x6/ 3x7/ 5x7/ 2x8/ 7x9 CM Quantity: 34 pieces in total of 5 different sizes Thickness: about 1

sturdiness

Description ·Male thread: M42 (42mm 1mm thread pitch) · Male thread: M48 (48mm 0

eliminates sample hold-up and increases precision and accuracy Safe & Clean Non-Pyrogenic

Bluetooth Numeric Keypad, Rechargeable Aluminum 34-Key Number Pad Slim External Numpad Keyboard Data Entry Compatible for MacBook, MacBook Air/Pro, iMac Windows Laptop Surface Pro etc Black cocoon Product Specification: Holes: Pre-tinned Dimension:Bluetooth Numeric Keypad, Rechargeable Aluminum 34 Key Number Pad Slim External Numpad Keyboard Data Entry Compatible for MacBook, MacBook Air Pro, iMac Windows Laptop Surface Pro etc Description Read more Read more 34 Keys Bluetooth Number Pad NOTE1. Due to MAC OS is special system, the "page up", "page down", "search", "screenshot", and "ins" key won't work with Mac 2. Calculator key need to manually open the calculator program on iMac and MacBook