Aluminium Sleeves US Figure 8 Type Aluminium Hourglass Sleeves 1) Material: Aluminium alloy 2) Standard: US Type Aluminium Sleeves US Figure 8 TypeAluminium Hourglass Sleeves 1) Material: Aluminium alloy2) Standard: US Type 3) Shape: Figure 8 4) Size: 3/64", 1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8", 7/16",1/2" Aluminium Sleeves US Figure 8 Type