Simms M4 BOA Field Repair Kit Size:Small/Medium Power matrix is used for

Power matrix is used for comparison between ECHO rod models

enough for one full pair of boots

Slick makes to a multi-tool

Individual rod sleeves are removable and allow anglers to choose their rod(s) for the day while traveling

Simms M4 BOA Field Repair Kit Size:Small/Medium Power matrix is used forIncludes M4 replacement dial, stainless steel wire lace, lace lock and flat head screw driver for easy lace system replacement in the field. For use with our G3 Guide BOA Vibram and felt. To verify which Lace Length you need look inside the boot on the tongue label where the size is marked. Previous Guide Boa, Headwaters BOA and RiverTek BOA Boot in Vibram and felt order M2 BOA Field Repair Kit. For 1st generation RiverTek BOA wading boots, order M3