PRODUCT DETAILS: Quantity: 15 Color: Clear with Yellow Stripe Insulation: Crystal Clear Type: Butt Connector Wire Gauge: 10 & 12 Made In: USA Crystal Clear Krimp & Seal Terminals Visual inspection window allows installer to see that wire is fully seated/inserted & wire is crimped properly.; Color stripe provides guide for proper crimp alignment of tool & industry standard for wire gauge size.; Crystal Clear tubing allows visual inspection of wire condition over the life of the connection & is adhesive lined for a waterproof seal.;