[Wide Applicable for 12V&14.4V Ni-Cd Tools]FOR 12V Ni-Cd series Tools: 1050D 1050DA 1050DRA 1050DWA 1050DWD 4013D 4191D 4191DWA 4191DZ 4331D 4331DWAE 4331DWD and more.FOR 14.4V series Tool BMR100, 6337D, 6233D, 6935FD, 6333D, 6933FD, 1422, ML140, ML143, 6337DWDE, 1420, 6228DWE and more. [Wide for 18V batteries]for Lithium-ion Battery [Safe Protection]Solid design, plastic high quality material,High temperature resistance, wear resistance and drop resistance, convenient to carry and easy to use. The products are only used for flexible conversion between one tool and another lithium battery, and do not involve any other ! The products are only converter, not charger, not battery, not machine, also can not recharge battery by it. Due to different production batches, labeling is random and does not accept designation and does not affect use. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Color: Black Material: plastic Package Contents: 1 x Adapter(Adapter only, tool and battery not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.