WM1218
• Designed to hold 3 Milwaukee M12 batteries and 4 Milwaukee M18 batteries with retention
• Holder has 3 holes to mount to wall, outside two are 16" on center to hit studs on your wall
WM1802
• Designed to hold 2 Milwaukee M18 batteries with retention
• Holder has 2 holes 7.5" on center to mount to wall