WS01 wrist strap is suitable for OrcaTorch D500 and D500V. It is also suitable for flashlight diameter 24-28mm. WS01 wrist strap is suitable for OrcaTorch D500 and D500V. It is also suitable for flashlight diameter 24-28mm. Friendly Tips: If you are going to use the dive light with this wrist strap, we suggest you make sure attach the light securely to the wrist strap with a landyard. The wrist strap is to free your hand, while the landyard can prevent the light from falling off the wrist strap.Featuring:One size suitable for most of flashlights which diameter bettween 24-28mm; For use with or without gloves, can be used on left or right hand freely; The thickened but soft durable canvas can fix the flashlight with your hand tightly, free your hand in the water, really comfortable; Fast dry after use, magic tape design,very easy to operate.