There are several different types of choke tube wrenches to use with Browning Choke tubes. This one is designed for Standard Invector only. Please note that Invector, Invector-Plus and Invector-DS have different choke designs and it is important to select the correct wrench for removing and reinstalling your shotgun's chokes. Many extended tubes are easy to remove with fingers, but most have the wrench slots hidden in each side that accept the correct gauge wrench. Flat wrench design. The flat wrench design has slots to fit different gauges of Standard Invector tubes. This is very handy just to have around in your shooting bag or on your key chain. Plus it has a handy screwdriver bit on the end. This version is for Standard Invector flush-mounted tubes. Flat style fits in your pocket. Ultra reliable. Fits 10, 12, 16 and 20 gauge Standard Invector choke tubes only. Proven design. Great wrench to keep with you on every hunt.

Feature:

All gauges except .410 cal