Fits all brands: Large Gray and Blue twist on wire connectors. Installs fast. Prevents sore fingers and cramping hands. Works in all quick release adapters， power screwdrivers and drills. For best results， place the connector over ends of wires by hand and twist until connector grips wires. Place Nut Blaster over connector and activate power tool. Only 3 - 4 revolutions are required to tighten properly. Do Not Over Tighten.

Increases productivity

Helps alleviate repetitive motion injuries

Prevents sore fingers and cramping hands

Fast and easy installation

Fit all brands - large gray and blue

High impact heat stabilized Delryn plastic

High quality tool steel shaft

Note: you are purchasing 1 nut blaster XXL tool， the image shows multiple views and multiple sizes (yellow - XL- 72101)