Sorry, we were unable to sign you in.
Please check your email address and password.
Your last basket is still available
The basket of your last visit to Black Box is still available.
Would you like to view the products in this basket?
The Black Box website uses cookies. By continuing the use of the Black Box website, or by pressing the agree button on the right, you consent to the use of cookies on this website.
More information.
Physical & Environmental Ring Dimensions —
37803-R2: inside 33H x 98D mm, outside 39H x 100D mm;
37804-R2: inside 76H x 98D mm Weight —
37803-R2: 0.6 kg;
37804-R2: 0.9 kg