uxcell 20pcs 20x10x6mm Mini Strain Relief Cord Boot Protector Cable Sleeve Country of Manufacture: CHINA; Material: Rubber; Net Weight: 39g Package Content: 20 x Core Protector Relief Boot; Brand: Assisi; Model: 10# Main Color: Black; Length: 20mm/0.8" Outer Dia: 12mm/0.47"; Inner Dia: 6mm/0.24" Bayonet Size: 10 x 4mm/0.4" x 0.16"(D*W); Total Size: 12 x 11 x 20mm/0.47" x 0.43" x 0.8"(L*)