These 3" Twist Shortie Tips), and 4″ (10 cm) & 5" (13cm) Red Lace Tips are precisely-machined, lace tips are made of surgical stainless steel. The size is laser imprinted on each tip. TWIST tips can be used with SPIN nylon cables.

3" Shortie Tips: Sizes US000 (1.5mm) – US3 (3.25mm) are solid, have a tightening hole and MINI [M] diameter join.

4" and 5" tips: 

Sizes 000 (1.5mm) – 1.5 (2.5mm) have a MINI [M] size join and work with the MINI [M] diameter cables. 
Sizes 2 (2.75mm) – 8 (5mm) have a SMALL [S] size join and work with the SMALL [S] diameter cables. 
Sizes 9 (5.5mm) – 15 (10mm) have a LARGE [L] size join and work with the LARGE [L] diameter cables.