AR15/M4 hand guard remov combo kit (great for remove or install free float style quad rail hand guard). AR15 A1/A2 ALL-IN-ONE COMBINATION WRENCH TOOL ALSO WORK WITH M4. FIT NEWER SHORTY STOCK Material Type: METAL Carbon Steel For A1/A2 stock Weight (lbs): 1 COLOR: BLACK DELTA RING WRENCH TOOL make removal of AR15, M4, and M16 handguards by easily compressing the delta ring in a uniform fashion preventing damage to handguards and also avoids the pinching of the hand that occurs when removing the handguards from the AR15/M4/M16 rife. Durable polymer construction with non-slip and rubber covered handles.